Home / 348,001.20-521,345.70-178,946.10

Finding the Fourth Proportional to 348,001.20, 521,345.70 and 178,946.10

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Solution

The fourth proportional to 348,001.20, 521,345.70 and 178,946.10 is: 268,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,001.20 : 521,345.70 = 178,946.10 : x
  2. Step 2: Convert to fraction form
    348,001.20/521,345.70 = 178,946.10/x
  3. Step 3: Cross multiply
    348,001.20x = 521,345.70 × 178,946.10
  4. Step 4: Simplify right side
    348,001.20x = 93,292,779,766.77
  5. Step 5: Solve for x
    x = 93,292,779,766.77/348,001.20
  6. Step 6: Final answer
    x = 268,081.78

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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.