Finding the Fourth Proportional to 657,686.65, 986,153.16 and 202,159.26
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Solution
The fourth proportional to 657,686.65, 986,153.16 and 202,159.26 is: 303,123.06
Step by Step Solution
- Step 1: Write the proportion equation
657,686.65 : 986,153.16 = 202,159.26 : x - Step 2: Convert to fraction form
657,686.65/986,153.16 = 202,159.26/x - Step 3: Cross multiply
657,686.65x = 986,153.16 × 202,159.26 - Step 4: Simplify right side
657,686.65x = 199,359,988,141.50 - Step 5: Solve for x
x = 199,359,988,141.50/657,686.65 - Step 6: Final answer
x = 303,123.06
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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.