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Finding the Fourth Proportional to 162,567.15, 243,719.51 and 149,445.15

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Solution

The fourth proportional to 162,567.15, 243,719.51 and 149,445.15 is: 224,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,567.15 : 243,719.51 = 149,445.15 : x
  2. Step 2: Convert to fraction form
    162,567.15/243,719.51 = 149,445.15/x
  3. Step 3: Cross multiply
    162,567.15x = 243,719.51 × 149,445.15
  4. Step 4: Simplify right side
    162,567.15x = 36,422,697,982.65
  5. Step 5: Solve for x
    x = 36,422,697,982.65/162,567.15
  6. Step 6: Final answer
    x = 224,047.10

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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.