Home / 237,728.46-328,062.51-128,830.62

Finding the Fourth Proportional to 237,728.46, 328,062.51 and 128,830.62

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Solution

The fourth proportional to 237,728.46, 328,062.51 and 128,830.62 is: 177,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,728.46 : 328,062.51 = 128,830.62 : x
  2. Step 2: Convert to fraction form
    237,728.46/328,062.51 = 128,830.62/x
  3. Step 3: Cross multiply
    237,728.46x = 328,062.51 × 128,830.62
  4. Step 4: Simplify right side
    237,728.46x = 42,264,496,562.06
  5. Step 5: Solve for x
    x = 42,264,496,562.06/237,728.46
  6. Step 6: Final answer
    x = 177,784.76

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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.