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Finding the Fourth Proportional to 237,883.72, 328,289 and 130,457.61

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Solution

The fourth proportional to 237,883.72, 328,289 and 130,457.61 is: 180,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,883.72 : 328,289 = 130,457.61 : x
  2. Step 2: Convert to fraction form
    237,883.72/328,289 = 130,457.61/x
  3. Step 3: Cross multiply
    237,883.72x = 328,289 × 130,457.61
  4. Step 4: Simplify right side
    237,883.72x = 42,827,798,329.29
  5. Step 5: Solve for x
    x = 42,827,798,329.29/237,883.72
  6. Step 6: Final answer
    x = 180,036.69

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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.