Home / 476,259.75-714,389.63-143,835.75

Finding the Fourth Proportional to 476,259.75, 714,389.63 and 143,835.75

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Solution

The fourth proportional to 476,259.75, 714,389.63 and 143,835.75 is: 215,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,259.75 : 714,389.63 = 143,835.75 : x
  2. Step 2: Convert to fraction form
    476,259.75/714,389.63 = 143,835.75/x
  3. Step 3: Cross multiply
    476,259.75x = 714,389.63 × 143,835.75
  4. Step 4: Simplify right side
    476,259.75x = 102,754,767,504.09
  5. Step 5: Solve for x
    x = 102,754,767,504.09/476,259.75
  6. Step 6: Final answer
    x = 215,753.63

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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.