Finding the Fourth Proportional to 458,251.97, 687,155.99 and 268,774.38
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Solution
The fourth proportional to 458,251.97, 687,155.99 and 268,774.38 is: 403,031.38
Step by Step Solution
- Step 1: Write the proportion equation
458,251.97 : 687,155.99 = 268,774.38 : x - Step 2: Convert to fraction form
458,251.97/687,155.99 = 268,774.38/x - Step 3: Cross multiply
458,251.97x = 687,155.99 × 268,774.38 - Step 4: Simplify right side
458,251.97x = 184,689,923,831.66 - Step 5: Solve for x
x = 184,689,923,831.66/458,251.97 - Step 6: Final answer
x = 403,031.38
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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.