Home / 399,918.18-551,887.59-230,152.44

Finding the Fourth Proportional to 399,918.18, 551,887.59 and 230,152.44

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Solution

The fourth proportional to 399,918.18, 551,887.59 and 230,152.44 is: 317,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,918.18 : 551,887.59 = 230,152.44 : x
  2. Step 2: Convert to fraction form
    399,918.18/551,887.59 = 230,152.44/x
  3. Step 3: Cross multiply
    399,918.18x = 551,887.59 × 230,152.44
  4. Step 4: Simplify right side
    399,918.18x = 127,018,275,444.22
  5. Step 5: Solve for x
    x = 127,018,275,444.22/399,918.18
  6. Step 6: Final answer
    x = 317,610.66

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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.