Finding the Fourth Proportional to 224,937.20, 310,414.62 and 122,962.88
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Solution
The fourth proportional to 224,937.20, 310,414.62 and 122,962.88 is: 169,689.48
Step by Step Solution
- Step 1: Write the proportion equation
224,937.20 : 310,414.62 = 122,962.88 : x - Step 2: Convert to fraction form
224,937.20/310,414.62 = 122,962.88/x - Step 3: Cross multiply
224,937.20x = 310,414.62 × 122,962.88 - Step 4: Simplify right side
224,937.20x = 38,169,475,669.31 - Step 5: Solve for x
x = 38,169,475,669.31/224,937.20 - Step 6: Final answer
x = 169,689.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.