Home / 476,943.40-715,415.10-144,476.20

Finding the Fourth Proportional to 476,943.40, 715,415.10 and 144,476.20

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Solution

The fourth proportional to 476,943.40, 715,415.10 and 144,476.20 is: 216,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,943.40 : 715,415.10 = 144,476.20 : x
  2. Step 2: Convert to fraction form
    476,943.40/715,415.10 = 144,476.20/x
  3. Step 3: Cross multiply
    476,943.40x = 715,415.10 × 144,476.20
  4. Step 4: Simplify right side
    476,943.40x = 103,360,455,070.62
  5. Step 5: Solve for x
    x = 103,360,455,070.62/476,943.40
  6. Step 6: Final answer
    x = 216,714.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.