Home / 389,053.04-536,897.28-219,287.17

Finding the Fourth Proportional to 389,053.04, 536,897.28 and 219,287.17

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Solution

The fourth proportional to 389,053.04, 536,897.28 and 219,287.17 is: 302,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,053.04 : 536,897.28 = 219,287.17 : x
  2. Step 2: Convert to fraction form
    389,053.04/536,897.28 = 219,287.17/x
  3. Step 3: Cross multiply
    389,053.04x = 536,897.28 × 219,287.17
  4. Step 4: Simplify right side
    389,053.04x = 117,734,685,111.90
  5. Step 5: Solve for x
    x = 117,734,685,111.90/389,053.04
  6. Step 6: Final answer
    x = 302,618.60

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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.