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Finding the Fourth Proportional to 366,967.60, 550,451.40 and 266,657.20

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Solution

The fourth proportional to 366,967.60, 550,451.40 and 266,657.20 is: 399,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,967.60 : 550,451.40 = 266,657.20 : x
  2. Step 2: Convert to fraction form
    366,967.60/550,451.40 = 266,657.20/x
  3. Step 3: Cross multiply
    366,967.60x = 550,451.40 × 266,657.20
  4. Step 4: Simplify right side
    366,967.60x = 146,781,829,060.08
  5. Step 5: Solve for x
    x = 146,781,829,060.08/366,967.60
  6. Step 6: Final answer
    x = 399,985.80

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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.