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Finding the Fourth Proportional to 297,397.44, 445,862.88 and 147,532.32

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Solution

The fourth proportional to 297,397.44, 445,862.88 and 147,532.32 is: 221,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,397.44 : 445,862.88 = 147,532.32 : x
  2. Step 2: Convert to fraction form
    297,397.44/445,862.88 = 147,532.32/x
  3. Step 3: Cross multiply
    297,397.44x = 445,862.88 × 147,532.32
  4. Step 4: Simplify right side
    297,397.44x = 65,779,185,088.28
  5. Step 5: Solve for x
    x = 65,779,185,088.28/297,397.44
  6. Step 6: Final answer
    x = 221,182.75

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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.