Home / 247,821.60-371,746.56-70,314.60

Finding the Fourth Proportional to 247,821.60, 371,746.56 and 70,314.60

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Solution

The fourth proportional to 247,821.60, 371,746.56 and 70,314.60 is: 105,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,821.60 : 371,746.56 = 70,314.60 : x
  2. Step 2: Convert to fraction form
    247,821.60/371,746.56 = 70,314.60/x
  3. Step 3: Cross multiply
    247,821.60x = 371,746.56 × 70,314.60
  4. Step 4: Simplify right side
    247,821.60x = 26,139,210,667.78
  5. Step 5: Solve for x
    x = 26,139,210,667.78/247,821.60
  6. Step 6: Final answer
    x = 105,475.92

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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.