Home / 286,868.80-430,298.33-99,875.44

Finding the Fourth Proportional to 286,868.80, 430,298.33 and 99,875.44

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Solution

The fourth proportional to 286,868.80, 430,298.33 and 99,875.44 is: 149,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,868.80 : 430,298.33 = 99,875.44 : x
  2. Step 2: Convert to fraction form
    286,868.80/430,298.33 = 99,875.44/x
  3. Step 3: Cross multiply
    286,868.80x = 430,298.33 × 99,875.44
  4. Step 4: Simplify right side
    286,868.80x = 42,976,234,213.96
  5. Step 5: Solve for x
    x = 42,976,234,213.96/286,868.80
  6. Step 6: Final answer
    x = 149,811.46

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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.