Home / 305,596.18-458,488.12-145,875.93

Finding the Fourth Proportional to 305,596.18, 458,488.12 and 145,875.93

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Solution

The fourth proportional to 305,596.18, 458,488.12 and 145,875.93 is: 218,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,596.18 : 458,488.12 = 145,875.93 : x
  2. Step 2: Convert to fraction form
    305,596.18/458,488.12 = 145,875.93/x
  3. Step 3: Cross multiply
    305,596.18x = 458,488.12 × 145,875.93
  4. Step 4: Simplify right side
    305,596.18x = 66,882,378,241.82
  5. Step 5: Solve for x
    x = 66,882,378,241.82/305,596.18
  6. Step 6: Final answer
    x = 218,858.69

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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.