Finding the Fourth Proportional to 292,897.17, 439,187.76 and 132,885.78
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Solution
The fourth proportional to 292,897.17, 439,187.76 and 132,885.78 is: 199,256.99
Step by Step Solution
- Step 1: Write the proportion equation
292,897.17 : 439,187.76 = 132,885.78 : x - Step 2: Convert to fraction form
292,897.17/439,187.76 = 132,885.78/x - Step 3: Cross multiply
292,897.17x = 439,187.76 × 132,885.78 - Step 4: Simplify right side
292,897.17x = 58,361,808,054.05 - Step 5: Solve for x
x = 58,361,808,054.05/292,897.17 - Step 6: Final answer
x = 199,256.99
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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.