Finding the Fourth Proportional to 393,352.60, 542,686.62 and 232,126.96
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Solution
The fourth proportional to 393,352.60, 542,686.62 and 232,126.96 is: 320,252.61
Step by Step Solution
- Step 1: Write the proportion equation
393,352.60 : 542,686.62 = 232,126.96 : x - Step 2: Convert to fraction form
393,352.60/542,686.62 = 232,126.96/x - Step 3: Cross multiply
393,352.60x = 542,686.62 × 232,126.96 - Step 4: Simplify right side
393,352.60x = 125,972,195,333.28 - Step 5: Solve for x
x = 125,972,195,333.28/393,352.60 - Step 6: Final answer
x = 320,252.61
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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.