Finding the Fourth Proportional to 458,503.22, 687,776.70 and 192,272.42
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Solution
The fourth proportional to 458,503.22, 687,776.70 and 192,272.42 is: 288,417.80
Step by Step Solution
- Step 1: Write the proportion equation
458,503.22 : 687,776.70 = 192,272.42 : x - Step 2: Convert to fraction form
458,503.22/687,776.70 = 192,272.42/x - Step 3: Cross multiply
458,503.22x = 687,776.70 × 192,272.42 - Step 4: Simplify right side
458,503.22x = 132,240,490,528.61 - Step 5: Solve for x
x = 132,240,490,528.61/458,503.22 - Step 6: Final answer
x = 288,417.80
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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.