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Finding the Fourth Proportional to 500,505.60, 750,799.98 and 163,539.12

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Solution

The fourth proportional to 500,505.60, 750,799.98 and 163,539.12 is: 245,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,505.60 : 750,799.98 = 163,539.12 : x
  2. Step 2: Convert to fraction form
    500,505.60/750,799.98 = 163,539.12/x
  3. Step 3: Cross multiply
    500,505.60x = 750,799.98 × 163,539.12
  4. Step 4: Simplify right side
    500,505.60x = 122,785,168,025.22
  5. Step 5: Solve for x
    x = 122,785,168,025.22/500,505.60
  6. Step 6: Final answer
    x = 245,322.27

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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.