Home / 390,088.43-584,899.14-162,109.13

Finding the Fourth Proportional to 390,088.43, 584,899.14 and 162,109.13

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Solution

The fourth proportional to 390,088.43, 584,899.14 and 162,109.13 is: 243,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,088.43 : 584,899.14 = 162,109.13 : x
  2. Step 2: Convert to fraction form
    390,088.43/584,899.14 = 162,109.13/x
  3. Step 3: Cross multiply
    390,088.43x = 584,899.14 × 162,109.13
  4. Step 4: Simplify right side
    390,088.43x = 94,817,493,480.26
  5. Step 5: Solve for x
    x = 94,817,493,480.26/390,088.43
  6. Step 6: Final answer
    x = 243,066.66

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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.