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Finding the Fourth Proportional to 604,977.60, 907,397.20 and 161,780.16

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Solution

The fourth proportional to 604,977.60, 907,397.20 and 161,780.16 is: 242,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,977.60 : 907,397.20 = 161,780.16 : x
  2. Step 2: Convert to fraction form
    604,977.60/907,397.20 = 161,780.16/x
  3. Step 3: Cross multiply
    604,977.60x = 907,397.20 × 161,780.16
  4. Step 4: Simplify right side
    604,977.60x = 146,798,864,199.55
  5. Step 5: Solve for x
    x = 146,798,864,199.55/604,977.60
  6. Step 6: Final answer
    x = 242,651.73

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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.