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Finding the Fourth Proportional to 243,999.70, 365,958.02 and 66,465.18

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Solution

The fourth proportional to 243,999.70, 365,958.02 and 66,465.18 is: 99,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,999.70 : 365,958.02 = 66,465.18 : x
  2. Step 2: Convert to fraction form
    243,999.70/365,958.02 = 66,465.18/x
  3. Step 3: Cross multiply
    243,999.70x = 365,958.02 × 66,465.18
  4. Step 4: Simplify right side
    243,999.70x = 24,323,465,671.74
  5. Step 5: Solve for x
    x = 24,323,465,671.74/243,999.70
  6. Step 6: Final answer
    x = 99,686.46

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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.