Home / 290,271.36-435,074.04-121,760.52

Finding the Fourth Proportional to 290,271.36, 435,074.04 and 121,760.52

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Solution

The fourth proportional to 290,271.36, 435,074.04 and 121,760.52 is: 182,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,271.36 : 435,074.04 = 121,760.52 : x
  2. Step 2: Convert to fraction form
    290,271.36/435,074.04 = 121,760.52/x
  3. Step 3: Cross multiply
    290,271.36x = 435,074.04 × 121,760.52
  4. Step 4: Simplify right side
    290,271.36x = 52,974,841,348.90
  5. Step 5: Solve for x
    x = 52,974,841,348.90/290,271.36
  6. Step 6: Final answer
    x = 182,501.10

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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.