Home / 207,834.60-310,973.40-148,001.40

Finding the Fourth Proportional to 207,834.60, 310,973.40 and 148,001.40

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Solution

The fourth proportional to 207,834.60, 310,973.40 and 148,001.40 is: 221,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,834.60 : 310,973.40 = 148,001.40 : x
  2. Step 2: Convert to fraction form
    207,834.60/310,973.40 = 148,001.40/x
  3. Step 3: Cross multiply
    207,834.60x = 310,973.40 × 148,001.40
  4. Step 4: Simplify right side
    207,834.60x = 46,024,498,562.76
  5. Step 5: Solve for x
    x = 46,024,498,562.76/207,834.60
  6. Step 6: Final answer
    x = 221,447.72

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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.