Home / 379,849.81-569,564.35-155,367.89

Finding the Fourth Proportional to 379,849.81, 569,564.35 and 155,367.89

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Solution

The fourth proportional to 379,849.81, 569,564.35 and 155,367.89 is: 232,965.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,849.81 : 569,564.35 = 155,367.89 : x
  2. Step 2: Convert to fraction form
    379,849.81/569,564.35 = 155,367.89/x
  3. Step 3: Cross multiply
    379,849.81x = 569,564.35 × 155,367.89
  4. Step 4: Simplify right side
    379,849.81x = 88,492,010,501.88
  5. Step 5: Solve for x
    x = 88,492,010,501.88/379,849.81
  6. Step 6: Final answer
    x = 232,965.79

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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.