Home / 238,017.40-328,467.36-130,585.48

Finding the Fourth Proportional to 238,017.40, 328,467.36 and 130,585.48

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Solution

The fourth proportional to 238,017.40, 328,467.36 and 130,585.48 is: 180,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,017.40 : 328,467.36 = 130,585.48 : x
  2. Step 2: Convert to fraction form
    238,017.40/328,467.36 = 130,585.48/x
  3. Step 3: Cross multiply
    238,017.40x = 328,467.36 × 130,585.48
  4. Step 4: Simplify right side
    238,017.40x = 42,893,067,869.93
  5. Step 5: Solve for x
    x = 42,893,067,869.93/238,017.40
  6. Step 6: Final answer
    x = 180,209.80

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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.