Finding the Fourth Proportional to 658,451.99, 987,670.79 and 159,815.99
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Solution
The fourth proportional to 658,451.99, 987,670.79 and 159,815.99 is: 239,722.24
Step by Step Solution
- Step 1: Write the proportion equation
658,451.99 : 987,670.79 = 159,815.99 : x - Step 2: Convert to fraction form
658,451.99/987,670.79 = 159,815.99/x - Step 3: Cross multiply
658,451.99x = 987,670.79 × 159,815.99 - Step 4: Simplify right side
658,451.99x = 157,845,584,298.85 - Step 5: Solve for x
x = 157,845,584,298.85/658,451.99 - Step 6: Final answer
x = 239,722.24
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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.