Home / 356,825.12-535,259.29-143,592.21

Finding the Fourth Proportional to 356,825.12, 535,259.29 and 143,592.21

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Solution

The fourth proportional to 356,825.12, 535,259.29 and 143,592.21 is: 215,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,825.12 : 535,259.29 = 143,592.21 : x
  2. Step 2: Convert to fraction form
    356,825.12/535,259.29 = 143,592.21/x
  3. Step 3: Cross multiply
    356,825.12x = 535,259.29 × 143,592.21
  4. Step 4: Simplify right side
    356,825.12x = 76,859,064,553.62
  5. Step 5: Solve for x
    x = 76,859,064,553.62/356,825.12
  6. Step 6: Final answer
    x = 215,397.01

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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.