Finding the Fourth Proportional to 417,414.72, 626,171.98 and 147,486.99
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Solution
The fourth proportional to 417,414.72, 626,171.98 and 147,486.99 is: 221,248.12
Step by Step Solution
- Step 1: Write the proportion equation
417,414.72 : 626,171.98 = 147,486.99 : x - Step 2: Convert to fraction form
417,414.72/626,171.98 = 147,486.99/x - Step 3: Cross multiply
417,414.72x = 626,171.98 × 147,486.99 - Step 4: Simplify right side
417,414.72x = 92,352,220,552.54 - Step 5: Solve for x
x = 92,352,220,552.54/417,414.72 - Step 6: Final answer
x = 221,248.12
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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.