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Finding the Fourth Proportional to 344,037.60, 515,181.60 and 328,291.20

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Solution

The fourth proportional to 344,037.60, 515,181.60 and 328,291.20 is: 491,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,037.60 : 515,181.60 = 328,291.20 : x
  2. Step 2: Convert to fraction form
    344,037.60/515,181.60 = 328,291.20/x
  3. Step 3: Cross multiply
    344,037.60x = 515,181.60 × 328,291.20
  4. Step 4: Simplify right side
    344,037.60x = 169,129,585,681.92
  5. Step 5: Solve for x
    x = 169,129,585,681.92/344,037.60
  6. Step 6: Final answer
    x = 491,602.04

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1.5x scale

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.