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Finding the Fourth Proportional to 145,862.78, 218,794.21 and 46,030.76

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Solution

The fourth proportional to 145,862.78, 218,794.21 and 46,030.76 is: 69,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,862.78 : 218,794.21 = 46,030.76 : x
  2. Step 2: Convert to fraction form
    145,862.78/218,794.21 = 46,030.76/x
  3. Step 3: Cross multiply
    145,862.78x = 218,794.21 × 46,030.76
  4. Step 4: Simplify right side
    145,862.78x = 10,071,262,560.85
  5. Step 5: Solve for x
    x = 10,071,262,560.85/145,862.78
  6. Step 6: Final answer
    x = 69,046.14

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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.