Finding the Fourth Proportional to 292,658.97, 438,988.65 and 82,296.93
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Solution
The fourth proportional to 292,658.97, 438,988.65 and 82,296.93 is: 123,445.45
Step by Step Solution
- Step 1: Write the proportion equation
292,658.97 : 438,988.65 = 82,296.93 : x - Step 2: Convert to fraction form
292,658.97/438,988.65 = 82,296.93/x - Step 3: Cross multiply
292,658.97x = 438,988.65 × 82,296.93 - Step 4: Simplify right side
292,658.97x = 36,127,418,199.84 - Step 5: Solve for x
x = 36,127,418,199.84/292,658.97 - Step 6: Final answer
x = 123,445.45
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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.