Finding the Fourth Proportional to 165,718.08, 248,500.08 and 53,377.20
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Solution
The fourth proportional to 165,718.08, 248,500.08 and 53,377.20 is: 80,040.99
Step by Step Solution
- Step 1: Write the proportion equation
165,718.08 : 248,500.08 = 53,377.20 : x - Step 2: Convert to fraction form
165,718.08/248,500.08 = 53,377.20/x - Step 3: Cross multiply
165,718.08x = 248,500.08 × 53,377.20 - Step 4: Simplify right side
165,718.08x = 13,264,238,470.18 - Step 5: Solve for x
x = 13,264,238,470.18/165,718.08 - Step 6: Final answer
x = 80,040.99
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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.