Finding the Fourth Proportional to 168,306.80, 232,283.94 and 96,686.66
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Solution
The fourth proportional to 168,306.80, 232,283.94 and 96,686.66 is: 133,439.40
Step by Step Solution
- Step 1: Write the proportion equation
168,306.80 : 232,283.94 = 96,686.66 : x - Step 2: Convert to fraction form
168,306.80/232,283.94 = 96,686.66/x - Step 3: Cross multiply
168,306.80x = 232,283.94 × 96,686.66 - Step 4: Simplify right side
168,306.80x = 22,458,758,548.38 - Step 5: Solve for x
x = 22,458,758,548.38/168,306.80 - Step 6: Final answer
x = 133,439.40
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1.5x scale
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.