Finding the Fourth Proportional to 292,616.65, 438,924.99 and 82,254.61
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Solution
The fourth proportional to 292,616.65, 438,924.99 and 82,254.61 is: 123,381.92
Step by Step Solution
- Step 1: Write the proportion equation
292,616.65 : 438,924.99 = 82,254.61 : x - Step 2: Convert to fraction form
292,616.65/438,924.99 = 82,254.61/x - Step 3: Cross multiply
292,616.65x = 438,924.99 × 82,254.61 - Step 4: Simplify right side
292,616.65x = 36,103,603,871.70 - Step 5: Solve for x
x = 36,103,603,871.70/292,616.65 - Step 6: Final answer
x = 123,381.92
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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.