Home / 287,109.80-430,729.57-94,983.77

Finding the Fourth Proportional to 287,109.80, 430,729.57 and 94,983.77

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Solution

The fourth proportional to 287,109.80, 430,729.57 and 94,983.77 is: 142,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,109.80 : 430,729.57 = 94,983.77 : x
  2. Step 2: Convert to fraction form
    287,109.80/430,729.57 = 94,983.77/x
  3. Step 3: Cross multiply
    287,109.80x = 430,729.57 × 94,983.77
  4. Step 4: Simplify right side
    287,109.80x = 40,912,318,409.08
  5. Step 5: Solve for x
    x = 40,912,318,409.08/287,109.80
  6. Step 6: Final answer
    x = 142,497.12

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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.