Finding the Fourth Proportional to 416,547.68, 574,836.08 and 225,561.84
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Solution
The fourth proportional to 416,547.68, 574,836.08 and 225,561.84 is: 311,275.49
Step by Step Solution
- Step 1: Write the proportion equation
416,547.68 : 574,836.08 = 225,561.84 : x - Step 2: Convert to fraction form
416,547.68/574,836.08 = 225,561.84/x - Step 3: Cross multiply
416,547.68x = 574,836.08 × 225,561.84 - Step 4: Simplify right side
416,547.68x = 129,661,083,903.19 - Step 5: Solve for x
x = 129,661,083,903.19/416,547.68 - Step 6: Final answer
x = 311,275.49
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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.