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Finding the Fourth Proportional to 497,030.60, 745,643.10 and 197,460.20

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Solution

The fourth proportional to 497,030.60, 745,643.10 and 197,460.20 is: 296,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,030.60 : 745,643.10 = 197,460.20 : x
  2. Step 2: Convert to fraction form
    497,030.60/745,643.10 = 197,460.20/x
  3. Step 3: Cross multiply
    497,030.60x = 745,643.10 × 197,460.20
  4. Step 4: Simplify right side
    497,030.60x = 147,234,835,654.62
  5. Step 5: Solve for x
    x = 147,234,835,654.62/497,030.60
  6. Step 6: Final answer
    x = 296,228.92

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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.