Home / 357,471.04-536,206.17-91,231.55

Finding the Fourth Proportional to 357,471.04, 536,206.17 and 91,231.55

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Solution

The fourth proportional to 357,471.04, 536,206.17 and 91,231.55 is: 136,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,471.04 : 536,206.17 = 91,231.55 : x
  2. Step 2: Convert to fraction form
    357,471.04/536,206.17 = 91,231.55/x
  3. Step 3: Cross multiply
    357,471.04x = 536,206.17 × 91,231.55
  4. Step 4: Simplify right side
    357,471.04x = 48,918,920,008.66
  5. Step 5: Solve for x
    x = 48,918,920,008.66/357,471.04
  6. Step 6: Final answer
    x = 136,847.23

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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.