Home / 292,289.10-438,433.65-192,561.90

Finding the Fourth Proportional to 292,289.10, 438,433.65 and 192,561.90

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Solution

The fourth proportional to 292,289.10, 438,433.65 and 192,561.90 is: 288,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,289.10 : 438,433.65 = 192,561.90 : x
  2. Step 2: Convert to fraction form
    292,289.10/438,433.65 = 192,561.90/x
  3. Step 3: Cross multiply
    292,289.10x = 438,433.65 × 192,561.90
  4. Step 4: Simplify right side
    292,289.10x = 84,425,616,667.94
  5. Step 5: Solve for x
    x = 84,425,616,667.94/292,289.10
  6. Step 6: Final answer
    x = 288,842.85

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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.