Finding the Fourth Proportional to 406,391.01, 560,813.67 and 225,102.35
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Solution
The fourth proportional to 406,391.01, 560,813.67 and 225,102.35 is: 310,637.95
Step by Step Solution
- Step 1: Write the proportion equation
406,391.01 : 560,813.67 = 225,102.35 : x - Step 2: Convert to fraction form
406,391.01/560,813.67 = 225,102.35/x - Step 3: Cross multiply
406,391.01x = 560,813.67 × 225,102.35 - Step 4: Simplify right side
406,391.01x = 126,240,472,225.06 - Step 5: Solve for x
x = 126,240,472,225.06/406,391.01 - Step 6: Final answer
x = 310,637.95
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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.