Home / 402,619.04-604,021.76-118,313.92

Finding the Fourth Proportional to 402,619.04, 604,021.76 and 118,313.92

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Solution

The fourth proportional to 402,619.04, 604,021.76 and 118,313.92 is: 177,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,619.04 : 604,021.76 = 118,313.92 : x
  2. Step 2: Convert to fraction form
    402,619.04/604,021.76 = 118,313.92/x
  3. Step 3: Cross multiply
    402,619.04x = 604,021.76 × 118,313.92
  4. Step 4: Simplify right side
    402,619.04x = 71,464,182,190.90
  5. Step 5: Solve for x
    x = 71,464,182,190.90/402,619.04
  6. Step 6: Final answer
    x = 177,498.27

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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.