Finding the Fourth Proportional to 658,451.68, 987,670.32 and 159,815.68
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Solution
The fourth proportional to 658,451.68, 987,670.32 and 159,815.68 is: 239,721.77
Step by Step Solution
- Step 1: Write the proportion equation
658,451.68 : 987,670.32 = 159,815.68 : x - Step 2: Convert to fraction form
658,451.68/987,670.32 = 159,815.68/x - Step 3: Cross multiply
658,451.68x = 987,670.32 × 159,815.68 - Step 4: Simplify right side
658,451.68x = 157,845,200,738.13 - Step 5: Solve for x
x = 157,845,200,738.13/658,451.68 - Step 6: Final answer
x = 239,721.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.