Finding the Fourth Proportional to 678,869.92, 1,018,304.86 and 173,432
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Solution
The fourth proportional to 678,869.92, 1,018,304.86 and 173,432 is: 260,147.99
Step by Step Solution
- Step 1: Write the proportion equation
678,869.92 : 1,018,304.86 = 173,432 : x - Step 2: Convert to fraction form
678,869.92/1,018,304.86 = 173,432/x - Step 3: Cross multiply
678,869.92x = 1,018,304.86 × 173,432 - Step 4: Simplify right side
678,869.92x = 176,606,648,479.52 - Step 5: Solve for x
x = 176,606,648,479.52/678,869.92 - Step 6: Final answer
x = 260,147.99
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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.