Finding the Fourth Proportional to 478,750.08, 718,123.77 and 141,816.99
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Solution
The fourth proportional to 478,750.08, 718,123.77 and 141,816.99 is: 212,725.09
Step by Step Solution
- Step 1: Write the proportion equation
478,750.08 : 718,123.77 = 141,816.99 : x - Step 2: Convert to fraction form
478,750.08/718,123.77 = 141,816.99/x - Step 3: Cross multiply
478,750.08x = 718,123.77 × 141,816.99 - Step 4: Simplify right side
478,750.08x = 101,842,151,508.85 - Step 5: Solve for x
x = 101,842,151,508.85/478,750.08 - Step 6: Final answer
x = 212,725.09
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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.