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Finding the Fourth Proportional to 366,877.60, 550,316.40 and 156,925.60

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Solution

The fourth proportional to 366,877.60, 550,316.40 and 156,925.60 is: 235,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,877.60 : 550,316.40 = 156,925.60 : x
  2. Step 2: Convert to fraction form
    366,877.60/550,316.40 = 156,925.60/x
  3. Step 3: Cross multiply
    366,877.60x = 550,316.40 × 156,925.60
  4. Step 4: Simplify right side
    366,877.60x = 86,358,731,259.84
  5. Step 5: Solve for x
    x = 86,358,731,259.84/366,877.60
  6. Step 6: Final answer
    x = 235,388.40

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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.