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Finding the Fourth Proportional to 162,797.60, 243,872.40 and 143,314.40

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Solution

The fourth proportional to 162,797.60, 243,872.40 and 143,314.40 is: 214,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,797.60 : 243,872.40 = 143,314.40 : x
  2. Step 2: Convert to fraction form
    162,797.60/243,872.40 = 143,314.40/x
  3. Step 3: Cross multiply
    162,797.60x = 243,872.40 × 143,314.40
  4. Step 4: Simplify right side
    162,797.60x = 34,950,426,682.56
  5. Step 5: Solve for x
    x = 34,950,426,682.56/162,797.60
  6. Step 6: Final answer
    x = 214,686.38

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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.