Home / 238,074.28-328,547.46-130,638.04

Finding the Fourth Proportional to 238,074.28, 328,547.46 and 130,638.04

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Solution

The fourth proportional to 238,074.28, 328,547.46 and 130,638.04 is: 180,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,074.28 : 328,547.46 = 130,638.04 : x
  2. Step 2: Convert to fraction form
    238,074.28/328,547.46 = 130,638.04/x
  3. Step 3: Cross multiply
    238,074.28x = 328,547.46 × 130,638.04
  4. Step 4: Simplify right side
    238,074.28x = 42,920,796,221.38
  5. Step 5: Solve for x
    x = 42,920,796,221.38/238,074.28
  6. Step 6: Final answer
    x = 180,283.21

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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.