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Finding the Fourth Proportional to 243,582.29, 336,129.95 and 134,680.32

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Solution

The fourth proportional to 243,582.29, 336,129.95 and 134,680.32 is: 185,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,582.29 : 336,129.95 = 134,680.32 : x
  2. Step 2: Convert to fraction form
    243,582.29/336,129.95 = 134,680.32/x
  3. Step 3: Cross multiply
    243,582.29x = 336,129.95 × 134,680.32
  4. Step 4: Simplify right side
    243,582.29x = 45,270,089,564.28
  5. Step 5: Solve for x
    x = 45,270,089,564.28/243,582.29
  6. Step 6: Final answer
    x = 185,851.32

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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.