Finding the Fourth Proportional to 416,541.57, 574,830.12 and 225,554.96
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Solution
The fourth proportional to 416,541.57, 574,830.12 and 225,554.96 is: 311,267.33
Step by Step Solution
- Step 1: Write the proportion equation
416,541.57 : 574,830.12 = 225,554.96 : x - Step 2: Convert to fraction form
416,541.57/574,830.12 = 225,554.96/x - Step 3: Cross multiply
416,541.57x = 574,830.12 × 225,554.96 - Step 4: Simplify right side
416,541.57x = 129,655,781,849.25 - Step 5: Solve for x
x = 129,655,781,849.25/416,541.57 - Step 6: Final answer
x = 311,267.33
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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.