Home / 484,961.40-727,442.10-130,030.20

Finding the Fourth Proportional to 484,961.40, 727,442.10 and 130,030.20

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Solution

The fourth proportional to 484,961.40, 727,442.10 and 130,030.20 is: 195,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,961.40 : 727,442.10 = 130,030.20 : x
  2. Step 2: Convert to fraction form
    484,961.40/727,442.10 = 130,030.20/x
  3. Step 3: Cross multiply
    484,961.40x = 727,442.10 × 130,030.20
  4. Step 4: Simplify right side
    484,961.40x = 94,589,441,751.42
  5. Step 5: Solve for x
    x = 94,589,441,751.42/484,961.40
  6. Step 6: Final answer
    x = 195,045.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.