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Finding the Fourth Proportional to 162,308.93, 243,463.40 and 43,980.27

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Solution

The fourth proportional to 162,308.93, 243,463.40 and 43,980.27 is: 65,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,308.93 : 243,463.40 = 43,980.27 : x
  2. Step 2: Convert to fraction form
    162,308.93/243,463.40 = 43,980.27/x
  3. Step 3: Cross multiply
    162,308.93x = 243,463.40 × 43,980.27
  4. Step 4: Simplify right side
    162,308.93x = 10,707,585,099.15
  5. Step 5: Solve for x
    x = 10,707,585,099.15/162,308.93
  6. Step 6: Final answer
    x = 65,970.40

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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.