Finding the Fourth Proportional to 406,421.52, 560,854.67 and 225,129.65
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Solution
The fourth proportional to 406,421.52, 560,854.67 and 225,129.65 is: 310,675.02
Step by Step Solution
- Step 1: Write the proportion equation
406,421.52 : 560,854.67 = 225,129.65 : x - Step 2: Convert to fraction form
406,421.52/560,854.67 = 225,129.65/x - Step 3: Cross multiply
406,421.52x = 560,854.67 × 225,129.65 - Step 4: Simplify right side
406,421.52x = 126,265,011,628.04 - Step 5: Solve for x
x = 126,265,011,628.04/406,421.52 - Step 6: Final answer
x = 310,675.02
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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.