Finding the Fourth Proportional to 304,657.68, 420,427.26 and 170,521.68
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Solution
The fourth proportional to 304,657.68, 420,427.26 and 170,521.68 is: 235,319.73
Step by Step Solution
- Step 1: Write the proportion equation
304,657.68 : 420,427.26 = 170,521.68 : x - Step 2: Convert to fraction form
304,657.68/420,427.26 = 170,521.68/x - Step 3: Cross multiply
304,657.68x = 420,427.26 × 170,521.68 - Step 4: Simplify right side
304,657.68x = 71,691,962,693.00 - Step 5: Solve for x
x = 71,691,962,693.00/304,657.68 - Step 6: Final answer
x = 235,319.73
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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.