Finding the Fourth Proportional to 402,116.13, 554,935.02 and 220,844.79
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Solution
The fourth proportional to 402,116.13, 554,935.02 and 220,844.79 is: 304,773.92
Step by Step Solution
- Step 1: Write the proportion equation
402,116.13 : 554,935.02 = 220,844.79 : x - Step 2: Convert to fraction form
402,116.13/554,935.02 = 220,844.79/x - Step 3: Cross multiply
402,116.13x = 554,935.02 × 220,844.79 - Step 4: Simplify right side
402,116.13x = 122,554,507,955.55 - Step 5: Solve for x
x = 122,554,507,955.55/402,116.13 - Step 6: Final answer
x = 304,773.92
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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.