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Finding the Fourth Proportional to 243,490.56, 336,010.53 and 136,061.48

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Solution

The fourth proportional to 243,490.56, 336,010.53 and 136,061.48 is: 187,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,490.56 : 336,010.53 = 136,061.48 : x
  2. Step 2: Convert to fraction form
    243,490.56/336,010.53 = 136,061.48/x
  3. Step 3: Cross multiply
    243,490.56x = 336,010.53 × 136,061.48
  4. Step 4: Simplify right side
    243,490.56x = 45,718,089,587.37
  5. Step 5: Solve for x
    x = 45,718,089,587.37/243,490.56
  6. Step 6: Final answer
    x = 187,761.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.