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Finding the Fourth Proportional to 475,303.60, 712,955.40 and 250,577.20

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Solution

The fourth proportional to 475,303.60, 712,955.40 and 250,577.20 is: 375,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,303.60 : 712,955.40 = 250,577.20 : x
  2. Step 2: Convert to fraction form
    475,303.60/712,955.40 = 250,577.20/x
  3. Step 3: Cross multiply
    475,303.60x = 712,955.40 × 250,577.20
  4. Step 4: Simplify right side
    475,303.60x = 178,650,367,856.88
  5. Step 5: Solve for x
    x = 178,650,367,856.88/475,303.60
  6. Step 6: Final answer
    x = 375,865.80

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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.