Home / 243,430.36-335,933.02-134,531.66

Finding the Fourth Proportional to 243,430.36, 335,933.02 and 134,531.66

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Solution

The fourth proportional to 243,430.36, 335,933.02 and 134,531.66 is: 185,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,430.36 : 335,933.02 = 134,531.66 : x
  2. Step 2: Convert to fraction form
    243,430.36/335,933.02 = 134,531.66/x
  3. Step 3: Cross multiply
    243,430.36x = 335,933.02 × 134,531.66
  4. Step 4: Simplify right side
    243,430.36x = 45,193,626,829.41
  5. Step 5: Solve for x
    x = 45,193,626,829.41/243,430.36
  6. Step 6: Final answer
    x = 185,653.21

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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.