Home / 402,928.78-604,185.18-118,582.44

Finding the Fourth Proportional to 402,928.78, 604,185.18 and 118,582.44

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Solution

The fourth proportional to 402,928.78, 604,185.18 and 118,582.44 is: 177,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,928.78 : 604,185.18 = 118,582.44 : x
  2. Step 2: Convert to fraction form
    402,928.78/604,185.18 = 118,582.44/x
  3. Step 3: Cross multiply
    402,928.78x = 604,185.18 × 118,582.44
  4. Step 4: Simplify right side
    402,928.78x = 71,645,754,394.04
  5. Step 5: Solve for x
    x = 71,645,754,394.04/402,928.78
  6. Step 6: Final answer
    x = 177,812.45

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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.