Home / 435,537.06-653,308.83-120,011.28

Finding the Fourth Proportional to 435,537.06, 653,308.83 and 120,011.28

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Solution

The fourth proportional to 435,537.06, 653,308.83 and 120,011.28 is: 180,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,537.06 : 653,308.83 = 120,011.28 : x
  2. Step 2: Convert to fraction form
    435,537.06/653,308.83 = 120,011.28/x
  3. Step 3: Cross multiply
    435,537.06x = 653,308.83 × 120,011.28
  4. Step 4: Simplify right side
    435,537.06x = 78,404,428,923.60
  5. Step 5: Solve for x
    x = 78,404,428,923.60/435,537.06
  6. Step 6: Final answer
    x = 180,017.81

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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.