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Finding the Fourth Proportional to 297,216.32, 445,730.92 and 97,490.26

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Solution

The fourth proportional to 297,216.32, 445,730.92 and 97,490.26 is: 146,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,216.32 : 445,730.92 = 97,490.26 : x
  2. Step 2: Convert to fraction form
    297,216.32/445,730.92 = 97,490.26/x
  3. Step 3: Cross multiply
    297,216.32x = 445,730.92 × 97,490.26
  4. Step 4: Simplify right side
    297,216.32x = 43,454,423,280.84
  5. Step 5: Solve for x
    x = 43,454,423,280.84/297,216.32
  6. Step 6: Final answer
    x = 146,204.70

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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.