Home / 912,615.56-1,368,818.72-238,761.90

Finding the Fourth Proportional to 912,615.56, 1,368,818.72 and 238,761.90

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Solution

The fourth proportional to 912,615.56, 1,368,818.72 and 238,761.90 is: 358,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,615.56 : 1,368,818.72 = 238,761.90 : x
  2. Step 2: Convert to fraction form
    912,615.56/1,368,818.72 = 238,761.90/x
  3. Step 3: Cross multiply
    912,615.56x = 1,368,818.72 × 238,761.90
  4. Step 4: Simplify right side
    912,615.56x = 326,821,758,342.77
  5. Step 5: Solve for x
    x = 326,821,758,342.77/912,615.56
  6. Step 6: Final answer
    x = 358,115.48

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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.