Home / 247,784.10-371,690.25-70,277.07

Finding the Fourth Proportional to 247,784.10, 371,690.25 and 70,277.07

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Solution

The fourth proportional to 247,784.10, 371,690.25 and 70,277.07 is: 105,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,784.10 : 371,690.25 = 70,277.07 : x
  2. Step 2: Convert to fraction form
    247,784.10/371,690.25 = 70,277.07/x
  3. Step 3: Cross multiply
    247,784.10x = 371,690.25 × 70,277.07
  4. Step 4: Simplify right side
    247,784.10x = 26,121,301,717.57
  5. Step 5: Solve for x
    x = 26,121,301,717.57/247,784.10
  6. Step 6: Final answer
    x = 105,419.60

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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.