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Finding the Fourth Proportional to 302,419.70, 453,802.35 and 115,565.30

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Solution

The fourth proportional to 302,419.70, 453,802.35 and 115,565.30 is: 173,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,419.70 : 453,802.35 = 115,565.30 : x
  2. Step 2: Convert to fraction form
    302,419.70/453,802.35 = 115,565.30/x
  3. Step 3: Cross multiply
    302,419.70x = 453,802.35 × 115,565.30
  4. Step 4: Simplify right side
    302,419.70x = 52,443,804,718.46
  5. Step 5: Solve for x
    x = 52,443,804,718.46/302,419.70
  6. Step 6: Final answer
    x = 173,413.98

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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.