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Finding the Fourth Proportional to 237,716.64, 328,048.92 and 130,290.12

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Solution

The fourth proportional to 237,716.64, 328,048.92 and 130,290.12 is: 179,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,716.64 : 328,048.92 = 130,290.12 : x
  2. Step 2: Convert to fraction form
    237,716.64/328,048.92 = 130,290.12/x
  3. Step 3: Cross multiply
    237,716.64x = 328,048.92 × 130,290.12
  4. Step 4: Simplify right side
    237,716.64x = 42,741,533,152.67
  5. Step 5: Solve for x
    x = 42,741,533,152.67/237,716.64
  6. Step 6: Final answer
    x = 179,800.34

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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.