Home / 247,397.28-341,254.80-217,158.72

Finding the Fourth Proportional to 247,397.28, 341,254.80 and 217,158.72

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Solution

The fourth proportional to 247,397.28, 341,254.80 and 217,158.72 is: 299,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,397.28 : 341,254.80 = 217,158.72 : x
  2. Step 2: Convert to fraction form
    247,397.28/341,254.80 = 217,158.72/x
  3. Step 3: Cross multiply
    247,397.28x = 341,254.80 × 217,158.72
  4. Step 4: Simplify right side
    247,397.28x = 74,106,455,561.86
  5. Step 5: Solve for x
    x = 74,106,455,561.86/247,397.28
  6. Step 6: Final answer
    x = 299,544.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.