Finding the Fourth Proportional to 447,239.61, 670,864.86 and 247,949.19
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Solution
The fourth proportional to 447,239.61, 670,864.86 and 247,949.19 is: 371,926.80
Step by Step Solution
- Step 1: Write the proportion equation
447,239.61 : 670,864.86 = 247,949.19 : x - Step 2: Convert to fraction form
447,239.61/670,864.86 = 247,949.19/x - Step 3: Cross multiply
447,239.61x = 670,864.86 × 247,949.19 - Step 4: Simplify right side
447,239.61x = 166,340,398,636.46 - Step 5: Solve for x
x = 166,340,398,636.46/447,239.61 - Step 6: Final answer
x = 371,926.80
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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.