Finding the Fourth Proportional to 207,159.24, 310,739.04 and 88,753.80
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Solution
The fourth proportional to 207,159.24, 310,739.04 and 88,753.80 is: 133,130.78
Step by Step Solution
- Step 1: Write the proportion equation
207,159.24 : 310,739.04 = 88,753.80 : x - Step 2: Convert to fraction form
207,159.24/310,739.04 = 88,753.80/x - Step 3: Cross multiply
207,159.24x = 310,739.04 × 88,753.80 - Step 4: Simplify right side
207,159.24x = 27,579,270,608.35 - Step 5: Solve for x
x = 27,579,270,608.35/207,159.24 - Step 6: Final answer
x = 133,130.78
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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.