Home / 348,033.60-521,359.20-207,374.40

Finding the Fourth Proportional to 348,033.60, 521,359.20 and 207,374.40

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Solution

The fourth proportional to 348,033.60, 521,359.20 and 207,374.40 is: 310,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,033.60 : 521,359.20 = 207,374.40 : x
  2. Step 2: Convert to fraction form
    348,033.60/521,359.20 = 207,374.40/x
  3. Step 3: Cross multiply
    348,033.60x = 521,359.20 × 207,374.40
  4. Step 4: Simplify right side
    348,033.60x = 108,116,551,284.48
  5. Step 5: Solve for x
    x = 108,116,551,284.48/348,033.60
  6. Step 6: Final answer
    x = 310,649.75

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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.