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Finding the Fourth Proportional to 475,535, 712,799.76 and 175,823.12

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Solution

The fourth proportional to 475,535, 712,799.76 and 175,823.12 is: 263,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,535 : 712,799.76 = 175,823.12 : x
  2. Step 2: Convert to fraction form
    475,535/712,799.76 = 175,823.12/x
  3. Step 3: Cross multiply
    475,535x = 712,799.76 × 175,823.12
  4. Step 4: Simplify right side
    475,535x = 125,326,677,738.45
  5. Step 5: Solve for x
    x = 125,326,677,738.45/475,535
  6. Step 6: Final answer
    x = 263,548.80

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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.