Finding the Fourth Proportional to 610,445.97, 915,800.18 and 205,678.41
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Solution
The fourth proportional to 610,445.97, 915,800.18 and 205,678.41 is: 308,561.82
Step by Step Solution
- Step 1: Write the proportion equation
610,445.97 : 915,800.18 = 205,678.41 : x - Step 2: Convert to fraction form
610,445.97/915,800.18 = 205,678.41/x - Step 3: Cross multiply
610,445.97x = 915,800.18 × 205,678.41 - Step 4: Simplify right side
610,445.97x = 188,360,320,437.47 - Step 5: Solve for x
x = 188,360,320,437.47/610,445.97 - Step 6: Final answer
x = 308,561.82
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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.