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Finding the Fourth Proportional to 297,569.85, 446,267.16 and 162,478.86

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Solution

The fourth proportional to 297,569.85, 446,267.16 and 162,478.86 is: 243,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,569.85 : 446,267.16 = 162,478.86 : x
  2. Step 2: Convert to fraction form
    297,569.85/446,267.16 = 162,478.86/x
  3. Step 3: Cross multiply
    297,569.85x = 446,267.16 × 162,478.86
  4. Step 4: Simplify right side
    297,569.85x = 72,508,979,412.24
  5. Step 5: Solve for x
    x = 72,508,979,412.24/297,569.85
  6. Step 6: Final answer
    x = 243,670.45

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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.