Home / 286,386.24-429,414.74-118,022.80

Finding the Fourth Proportional to 286,386.24, 429,414.74 and 118,022.80

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Solution

The fourth proportional to 286,386.24, 429,414.74 and 118,022.80 is: 176,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,386.24 : 429,414.74 = 118,022.80 : x
  2. Step 2: Convert to fraction form
    286,386.24/429,414.74 = 118,022.80/x
  3. Step 3: Cross multiply
    286,386.24x = 429,414.74 × 118,022.80
  4. Step 4: Simplify right side
    286,386.24x = 50,680,729,976.07
  5. Step 5: Solve for x
    x = 50,680,729,976.07/286,386.24
  6. Step 6: Final answer
    x = 176,966.36

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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.