Home / 247,791.60-371,701.50-70,284.58

Finding the Fourth Proportional to 247,791.60, 371,701.50 and 70,284.58

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Solution

The fourth proportional to 247,791.60, 371,701.50 and 70,284.58 is: 105,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,791.60 : 371,701.50 = 70,284.58 : x
  2. Step 2: Convert to fraction form
    247,791.60/371,701.50 = 70,284.58/x
  3. Step 3: Cross multiply
    247,791.60x = 371,701.50 × 70,284.58
  4. Step 4: Simplify right side
    247,791.60x = 26,124,883,812.87
  5. Step 5: Solve for x
    x = 26,124,883,812.87/247,791.60
  6. Step 6: Final answer
    x = 105,430.87

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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.