Finding the Fourth Proportional to 292,282.65, 438,436.71 and 92,617.74
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Solution
The fourth proportional to 292,282.65, 438,436.71 and 92,617.74 is: 138,930.65
Step by Step Solution
- Step 1: Write the proportion equation
292,282.65 : 438,436.71 = 92,617.74 : x - Step 2: Convert to fraction form
292,282.65/438,436.71 = 92,617.74/x - Step 3: Cross multiply
292,282.65x = 438,436.71 × 92,617.74 - Step 4: Simplify right side
292,282.65x = 40,607,017,213.24 - Step 5: Solve for x
x = 40,607,017,213.24/292,282.65 - Step 6: Final answer
x = 138,930.65
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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.