Home / 337,128.80-506,276.40-326,631.20

Finding the Fourth Proportional to 337,128.80, 506,276.40 and 326,631.20

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Solution

The fourth proportional to 337,128.80, 506,276.40 and 326,631.20 is: 490,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,128.80 : 506,276.40 = 326,631.20 : x
  2. Step 2: Convert to fraction form
    337,128.80/506,276.40 = 326,631.20/x
  3. Step 3: Cross multiply
    337,128.80x = 506,276.40 × 326,631.20
  4. Step 4: Simplify right side
    337,128.80x = 165,365,668,063.68
  5. Step 5: Solve for x
    x = 165,365,668,063.68/337,128.80
  6. Step 6: Final answer
    x = 490,511.84

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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.