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Finding the Fourth Proportional to 162,310.80, 243,466.20 and 51,502.80

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Solution

The fourth proportional to 162,310.80, 243,466.20 and 51,502.80 is: 77,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,310.80 : 243,466.20 = 51,502.80 : x
  2. Step 2: Convert to fraction form
    162,310.80/243,466.20 = 51,502.80/x
  3. Step 3: Cross multiply
    162,310.80x = 243,466.20 × 51,502.80
  4. Step 4: Simplify right side
    162,310.80x = 12,539,191,005.36
  5. Step 5: Solve for x
    x = 12,539,191,005.36/162,310.80
  6. Step 6: Final answer
    x = 77,254.20

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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.