Home / 314,723.76-472,173.24-137,246.40

Finding the Fourth Proportional to 314,723.76, 472,173.24 and 137,246.40

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Solution

The fourth proportional to 314,723.76, 472,173.24 and 137,246.40 is: 205,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,723.76 : 472,173.24 = 137,246.40 : x
  2. Step 2: Convert to fraction form
    314,723.76/472,173.24 = 137,246.40/x
  3. Step 3: Cross multiply
    314,723.76x = 472,173.24 × 137,246.40
  4. Step 4: Simplify right side
    314,723.76x = 64,804,077,366.34
  5. Step 5: Solve for x
    x = 64,804,077,366.34/314,723.76
  6. Step 6: Final answer
    x = 205,907.80

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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.