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Finding the Fourth Proportional to 243,498.50, 365,247.75 and 66,005.51

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Solution

The fourth proportional to 243,498.50, 365,247.75 and 66,005.51 is: 99,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,498.50 : 365,247.75 = 66,005.51 : x
  2. Step 2: Convert to fraction form
    243,498.50/365,247.75 = 66,005.51/x
  3. Step 3: Cross multiply
    243,498.50x = 365,247.75 × 66,005.51
  4. Step 4: Simplify right side
    243,498.50x = 24,108,362,188.86
  5. Step 5: Solve for x
    x = 24,108,362,188.86/243,498.50
  6. Step 6: Final answer
    x = 99,008.26

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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.