Home / 912,156.52-1,368,211.74-247,291.24

Finding the Fourth Proportional to 912,156.52, 1,368,211.74 and 247,291.24

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Solution

The fourth proportional to 912,156.52, 1,368,211.74 and 247,291.24 is: 370,930.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,156.52 : 1,368,211.74 = 247,291.24 : x
  2. Step 2: Convert to fraction form
    912,156.52/1,368,211.74 = 247,291.24/x
  3. Step 3: Cross multiply
    912,156.52x = 1,368,211.74 × 247,291.24
  4. Step 4: Simplify right side
    912,156.52x = 338,346,777,767.16
  5. Step 5: Solve for x
    x = 338,346,777,767.16/912,156.52
  6. Step 6: Final answer
    x = 370,930.61

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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.