Home / 418,095.92-577,053.23-272,649.18

Finding the Fourth Proportional to 418,095.92, 577,053.23 and 272,649.18

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Solution

The fourth proportional to 418,095.92, 577,053.23 and 272,649.18 is: 376,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,095.92 : 577,053.23 = 272,649.18 : x
  2. Step 2: Convert to fraction form
    418,095.92/577,053.23 = 272,649.18/x
  3. Step 3: Cross multiply
    418,095.92x = 577,053.23 × 272,649.18
  4. Step 4: Simplify right side
    418,095.92x = 157,333,089,975.85
  5. Step 5: Solve for x
    x = 157,333,089,975.85/418,095.92
  6. Step 6: Final answer
    x = 376,308.60

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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.