Home / 238,205.17-328,723.68-130,782.11

Finding the Fourth Proportional to 238,205.17, 328,723.68 and 130,782.11

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Solution

The fourth proportional to 238,205.17, 328,723.68 and 130,782.11 is: 180,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,205.17 : 328,723.68 = 130,782.11 : x
  2. Step 2: Convert to fraction form
    238,205.17/328,723.68 = 130,782.11/x
  3. Step 3: Cross multiply
    238,205.17x = 328,723.68 × 130,782.11
  4. Step 4: Simplify right side
    238,205.17x = 42,991,176,477.36
  5. Step 5: Solve for x
    x = 42,991,176,477.36/238,205.17
  6. Step 6: Final answer
    x = 180,479.61

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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.