Home / 402,014.06-554,780.19-223,166.06

Finding the Fourth Proportional to 402,014.06, 554,780.19 and 223,166.06

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Solution

The fourth proportional to 402,014.06, 554,780.19 and 223,166.06 is: 307,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,014.06 : 554,780.19 = 223,166.06 : x
  2. Step 2: Convert to fraction form
    402,014.06/554,780.19 = 223,166.06/x
  3. Step 3: Cross multiply
    402,014.06x = 554,780.19 × 223,166.06
  4. Step 4: Simplify right side
    402,014.06x = 123,808,109,168.35
  5. Step 5: Solve for x
    x = 123,808,109,168.35/402,014.06
  6. Step 6: Final answer
    x = 307,969.60

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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.