Finding the Fourth Proportional to 496,721.24, 745,207.61 and 141,736.52
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Solution
The fourth proportional to 496,721.24, 745,207.61 and 141,736.52 is: 212,640.66
Step by Step Solution
- Step 1: Write the proportion equation
496,721.24 : 745,207.61 = 141,736.52 : x - Step 2: Convert to fraction form
496,721.24/745,207.61 = 141,736.52/x - Step 3: Cross multiply
496,721.24x = 745,207.61 × 141,736.52 - Step 4: Simplify right side
496,721.24x = 105,623,133,318.92 - Step 5: Solve for x
x = 105,623,133,318.92/496,721.24 - Step 6: Final answer
x = 212,640.66
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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.