Finding the Fourth Proportional to 353,432.66, 488,031.37 and 327,789.68
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Solution
The fourth proportional to 353,432.66, 488,031.37 and 327,789.68 is: 452,622.70
Step by Step Solution
- Step 1: Write the proportion equation
353,432.66 : 488,031.37 = 327,789.68 : x - Step 2: Convert to fraction form
353,432.66/488,031.37 = 327,789.68/x - Step 3: Cross multiply
353,432.66x = 488,031.37 × 327,789.68 - Step 4: Simplify right side
353,432.66x = 159,971,646,602.26 - Step 5: Solve for x
x = 159,971,646,602.26/353,432.66 - Step 6: Final answer
x = 452,622.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.