Home / 402,743.52-604,173.56-122,261.04

Finding the Fourth Proportional to 402,743.52, 604,173.56 and 122,261.04

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Solution

The fourth proportional to 402,743.52, 604,173.56 and 122,261.04 is: 183,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,743.52 : 604,173.56 = 122,261.04 : x
  2. Step 2: Convert to fraction form
    402,743.52/604,173.56 = 122,261.04/x
  3. Step 3: Cross multiply
    402,743.52x = 604,173.56 × 122,261.04
  4. Step 4: Simplify right side
    402,743.52x = 73,866,887,786.10
  5. Step 5: Solve for x
    x = 73,866,887,786.10/402,743.52
  6. Step 6: Final answer
    x = 183,409.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.