Home / 286,041.28-428,762.52-96,436.12

Finding the Fourth Proportional to 286,041.28, 428,762.52 and 96,436.12

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Solution

The fourth proportional to 286,041.28, 428,762.52 and 96,436.12 is: 144,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,041.28 : 428,762.52 = 96,436.12 : x
  2. Step 2: Convert to fraction form
    286,041.28/428,762.52 = 96,436.12/x
  3. Step 3: Cross multiply
    286,041.28x = 428,762.52 × 96,436.12
  4. Step 4: Simplify right side
    286,041.28x = 41,348,193,830.22
  5. Step 5: Solve for x
    x = 41,348,193,830.22/286,041.28
  6. Step 6: Final answer
    x = 144,553.24

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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.