Finding the Fourth Proportional to 403,366.31, 604,990.86 and 119,042.99
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Solution
The fourth proportional to 403,366.31, 604,990.86 and 119,042.99 is: 178,547.19
Step by Step Solution
- Step 1: Write the proportion equation
403,366.31 : 604,990.86 = 119,042.99 : x - Step 2: Convert to fraction form
403,366.31/604,990.86 = 119,042.99/x - Step 3: Cross multiply
403,366.31x = 604,990.86 × 119,042.99 - Step 4: Simplify right side
403,366.31x = 72,019,920,897.07 - Step 5: Solve for x
x = 72,019,920,897.07/403,366.31 - Step 6: Final answer
x = 178,547.19
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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.