Finding the Fourth Proportional to 247,356.63, 370,827.18 and 172,255.05
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Solution
The fourth proportional to 247,356.63, 370,827.18 and 172,255.05 is: 258,237.89
Step by Step Solution
- Step 1: Write the proportion equation
247,356.63 : 370,827.18 = 172,255.05 : x - Step 2: Convert to fraction form
247,356.63/370,827.18 = 172,255.05/x - Step 3: Cross multiply
247,356.63x = 370,827.18 × 172,255.05 - Step 4: Simplify right side
247,356.63x = 63,876,854,432.26 - Step 5: Solve for x
x = 63,876,854,432.26/247,356.63 - Step 6: Final answer
x = 258,237.89
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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.