Home / 315,252.72-435,113.48-192,766

Finding the Fourth Proportional to 315,252.72, 435,113.48 and 192,766

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Solution

The fourth proportional to 315,252.72, 435,113.48 and 192,766 is: 266,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,252.72 : 435,113.48 = 192,766 : x
  2. Step 2: Convert to fraction form
    315,252.72/435,113.48 = 192,766/x
  3. Step 3: Cross multiply
    315,252.72x = 435,113.48 × 192,766
  4. Step 4: Simplify right side
    315,252.72x = 83,875,085,085.68
  5. Step 5: Solve for x
    x = 83,875,085,085.68/315,252.72
  6. Step 6: Final answer
    x = 266,056.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.