Finding the Fourth Proportional to 224,957.18, 310,454.52 and 129,461.78
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Solution
The fourth proportional to 224,957.18, 310,454.52 and 129,461.78 is: 178,665.09
Step by Step Solution
- Step 1: Write the proportion equation
224,957.18 : 310,454.52 = 129,461.78 : x - Step 2: Convert to fraction form
224,957.18/310,454.52 = 129,461.78/x - Step 3: Cross multiply
224,957.18x = 310,454.52 × 129,461.78 - Step 4: Simplify right side
224,957.18x = 40,191,994,768.25 - Step 5: Solve for x
x = 40,191,994,768.25/224,957.18 - Step 6: Final answer
x = 178,665.09
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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.