Home / 390,066.03-585,268.08-137,526.91

Finding the Fourth Proportional to 390,066.03, 585,268.08 and 137,526.91

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Solution

The fourth proportional to 390,066.03, 585,268.08 and 137,526.91 is: 206,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,066.03 : 585,268.08 = 137,526.91 : x
  2. Step 2: Convert to fraction form
    390,066.03/585,268.08 = 137,526.91/x
  3. Step 3: Cross multiply
    390,066.03x = 585,268.08 × 137,526.91
  4. Step 4: Simplify right side
    390,066.03x = 80,490,112,650.86
  5. Step 5: Solve for x
    x = 80,490,112,650.86/390,066.03
  6. Step 6: Final answer
    x = 206,349.97

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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.