Home / 238,023.02-328,493.04-130,613.98

Finding the Fourth Proportional to 238,023.02, 328,493.04 and 130,613.98

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Solution

The fourth proportional to 238,023.02, 328,493.04 and 130,613.98 is: 180,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,023.02 : 328,493.04 = 130,613.98 : x
  2. Step 2: Convert to fraction form
    238,023.02/328,493.04 = 130,613.98/x
  3. Step 3: Cross multiply
    238,023.02x = 328,493.04 × 130,613.98
  4. Step 4: Simplify right side
    238,023.02x = 42,905,783,356.70
  5. Step 5: Solve for x
    x = 42,905,783,356.70/238,023.02
  6. Step 6: Final answer
    x = 180,258.97

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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.