Finding the Fourth Proportional to 416,275.68, 574,460.40 and 225,289.11
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Solution
The fourth proportional to 416,275.68, 574,460.40 and 225,289.11 is: 310,898.95
Step by Step Solution
- Step 1: Write the proportion equation
416,275.68 : 574,460.40 = 225,289.11 : x - Step 2: Convert to fraction form
416,275.68/574,460.40 = 225,289.11/x - Step 3: Cross multiply
416,275.68x = 574,460.40 × 225,289.11 - Step 4: Simplify right side
416,275.68x = 129,419,672,246.24 - Step 5: Solve for x
x = 129,419,672,246.24/416,275.68 - Step 6: Final answer
x = 310,898.95
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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.