Finding the Fourth Proportional to 265,805.61, 398,257.14 and 160,403.13
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Solution
The fourth proportional to 265,805.61, 398,257.14 and 160,403.13 is: 240,332.37
Step by Step Solution
- Step 1: Write the proportion equation
265,805.61 : 398,257.14 = 160,403.13 : x - Step 2: Convert to fraction form
265,805.61/398,257.14 = 160,403.13/x - Step 3: Cross multiply
265,805.61x = 398,257.14 × 160,403.13 - Step 4: Simplify right side
265,805.61x = 63,881,691,800.85 - Step 5: Solve for x
x = 63,881,691,800.85/265,805.61 - Step 6: Final answer
x = 240,332.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.