Finding the Fourth Proportional to 325,437.36, 448,720.92 and 260,854.80
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Solution
The fourth proportional to 325,437.36, 448,720.92 and 260,854.80 is: 359,672.92
Step by Step Solution
- Step 1: Write the proportion equation
325,437.36 : 448,720.92 = 260,854.80 : x - Step 2: Convert to fraction form
325,437.36/448,720.92 = 260,854.80/x - Step 3: Cross multiply
325,437.36x = 448,720.92 × 260,854.80 - Step 4: Simplify right side
325,437.36x = 117,051,005,842.42 - Step 5: Solve for x
x = 117,051,005,842.42/325,437.36 - Step 6: Final answer
x = 359,672.92
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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.