Home / 390,226.29-585,331.24-179,864.23

Finding the Fourth Proportional to 390,226.29, 585,331.24 and 179,864.23

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Solution

The fourth proportional to 390,226.29, 585,331.24 and 179,864.23 is: 269,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,226.29 : 585,331.24 = 179,864.23 : x
  2. Step 2: Convert to fraction form
    390,226.29/585,331.24 = 179,864.23/x
  3. Step 3: Cross multiply
    390,226.29x = 585,331.24 × 179,864.23
  4. Step 4: Simplify right side
    390,226.29x = 105,280,151,793.43
  5. Step 5: Solve for x
    x = 105,280,151,793.43/390,226.29
  6. Step 6: Final answer
    x = 269,792.56

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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.