Finding the Fourth Proportional to 376,560.90, 564,663.15 and 218,837.70
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Solution
The fourth proportional to 376,560.90, 564,663.15 and 218,837.70 is: 328,152.99
Step by Step Solution
- Step 1: Write the proportion equation
376,560.90 : 564,663.15 = 218,837.70 : x - Step 2: Convert to fraction form
376,560.90/564,663.15 = 218,837.70/x - Step 3: Cross multiply
376,560.90x = 564,663.15 × 218,837.70 - Step 4: Simplify right side
376,560.90x = 123,569,585,020.76 - Step 5: Solve for x
x = 123,569,585,020.76/376,560.90 - Step 6: Final answer
x = 328,152.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.