Finding the Fourth Proportional to 659,841.70, 910,592.16 and 358,035.70
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Solution
The fourth proportional to 659,841.70, 910,592.16 and 358,035.70 is: 494,095.03
Step by Step Solution
- Step 1: Write the proportion equation
659,841.70 : 910,592.16 = 358,035.70 : x - Step 2: Convert to fraction form
659,841.70/910,592.16 = 358,035.70/x - Step 3: Cross multiply
659,841.70x = 910,592.16 × 358,035.70 - Step 4: Simplify right side
659,841.70x = 326,024,501,420.11 - Step 5: Solve for x
x = 326,024,501,420.11/659,841.70 - Step 6: Final answer
x = 494,095.03
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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.