Home / 399,875.56-551,845.02-230,110.36

Finding the Fourth Proportional to 399,875.56, 551,845.02 and 230,110.36

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Solution

The fourth proportional to 399,875.56, 551,845.02 and 230,110.36 is: 317,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,875.56 : 551,845.02 = 230,110.36 : x
  2. Step 2: Convert to fraction form
    399,875.56/551,845.02 = 230,110.36/x
  3. Step 3: Cross multiply
    399,875.56x = 551,845.02 × 230,110.36
  4. Step 4: Simplify right side
    399,875.56x = 126,985,256,216.41
  5. Step 5: Solve for x
    x = 126,985,256,216.41/399,875.56
  6. Step 6: Final answer
    x = 317,561.93

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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.