Home / 238,329.27-328,894.56-130,904.64

Finding the Fourth Proportional to 238,329.27, 328,894.56 and 130,904.64

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Solution

The fourth proportional to 238,329.27, 328,894.56 and 130,904.64 is: 180,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,329.27 : 328,894.56 = 130,904.64 : x
  2. Step 2: Convert to fraction form
    238,329.27/328,894.56 = 130,904.64/x
  3. Step 3: Cross multiply
    238,329.27x = 328,894.56 × 130,904.64
  4. Step 4: Simplify right side
    238,329.27x = 43,053,823,974.76
  5. Step 5: Solve for x
    x = 43,053,823,974.76/238,329.27
  6. Step 6: Final answer
    x = 180,648.50

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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.