Finding the Fourth Proportional to 623,641.92, 935,517.60 and 174,367.68
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Solution
The fourth proportional to 623,641.92, 935,517.60 and 174,367.68 is: 261,566.82
Step by Step Solution
- Step 1: Write the proportion equation
623,641.92 : 935,517.60 = 174,367.68 : x - Step 2: Convert to fraction form
623,641.92/935,517.60 = 174,367.68/x - Step 3: Cross multiply
623,641.92x = 935,517.60 × 174,367.68 - Step 4: Simplify right side
623,641.92x = 163,124,033,511.17 - Step 5: Solve for x
x = 163,124,033,511.17/623,641.92 - Step 6: Final answer
x = 261,566.82
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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.