Home / 399,423.58-551,208.27-227,333.10

Finding the Fourth Proportional to 399,423.58, 551,208.27 and 227,333.10

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Solution

The fourth proportional to 399,423.58, 551,208.27 and 227,333.10 is: 313,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,423.58 : 551,208.27 = 227,333.10 : x
  2. Step 2: Convert to fraction form
    399,423.58/551,208.27 = 227,333.10/x
  3. Step 3: Cross multiply
    399,423.58x = 551,208.27 × 227,333.10
  4. Step 4: Simplify right side
    399,423.58x = 125,307,884,764.74
  5. Step 5: Solve for x
    x = 125,307,884,764.74/399,423.58
  6. Step 6: Final answer
    x = 313,721.80

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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.