Home / 287,150.08-430,633.12-94,988.80

Finding the Fourth Proportional to 287,150.08, 430,633.12 and 94,988.80

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Solution

The fourth proportional to 287,150.08, 430,633.12 and 94,988.80 is: 142,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,150.08 : 430,633.12 = 94,988.80 : x
  2. Step 2: Convert to fraction form
    287,150.08/430,633.12 = 94,988.80/x
  3. Step 3: Cross multiply
    287,150.08x = 430,633.12 × 94,988.80
  4. Step 4: Simplify right side
    287,150.08x = 40,905,323,309.06
  5. Step 5: Solve for x
    x = 40,905,323,309.06/287,150.08
  6. Step 6: Final answer
    x = 142,452.77

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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.