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Finding the Fourth Proportional to 238,323.70, 328,888.65 and 130,895.02

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Solution

The fourth proportional to 238,323.70, 328,888.65 and 130,895.02 is: 180,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,323.70 : 328,888.65 = 130,895.02 : x
  2. Step 2: Convert to fraction form
    238,323.70/328,888.65 = 130,895.02/x
  3. Step 3: Cross multiply
    238,323.70x = 328,888.65 × 130,895.02
  4. Step 4: Simplify right side
    238,323.70x = 43,049,886,419.52
  5. Step 5: Solve for x
    x = 43,049,886,419.52/238,323.70
  6. Step 6: Final answer
    x = 180,636.20

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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.