Home / 343,017.32-514,526.18-143,228.79

Finding the Fourth Proportional to 343,017.32, 514,526.18 and 143,228.79

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Solution

The fourth proportional to 343,017.32, 514,526.18 and 143,228.79 is: 214,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,017.32 : 514,526.18 = 143,228.79 : x
  2. Step 2: Convert to fraction form
    343,017.32/514,526.18 = 143,228.79/x
  3. Step 3: Cross multiply
    343,017.32x = 514,526.18 × 143,228.79
  4. Step 4: Simplify right side
    343,017.32x = 73,694,961,468.58
  5. Step 5: Solve for x
    x = 73,694,961,468.58/343,017.32
  6. Step 6: Final answer
    x = 214,843.27

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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.