Finding the Fourth Proportional to 487,182.12, 672,124.68 and 296,125.80
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Solution
The fourth proportional to 487,182.12, 672,124.68 and 296,125.80 is: 408,540.15
Step by Step Solution
- Step 1: Write the proportion equation
487,182.12 : 672,124.68 = 296,125.80 : x - Step 2: Convert to fraction form
487,182.12/672,124.68 = 296,125.80/x - Step 3: Cross multiply
487,182.12x = 672,124.68 × 296,125.80 - Step 4: Simplify right side
487,182.12x = 199,033,458,564.74 - Step 5: Solve for x
x = 199,033,458,564.74/487,182.12 - Step 6: Final answer
x = 408,540.15
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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.