Finding the Fourth Proportional to 487,183.12, 672,126.06 and 296,126.80
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Solution
The fourth proportional to 487,183.12, 672,126.06 and 296,126.80 is: 408,541.53
Step by Step Solution
- Step 1: Write the proportion equation
487,183.12 : 672,126.06 = 296,126.80 : x - Step 2: Convert to fraction form
487,183.12/672,126.06 = 296,126.80/x - Step 3: Cross multiply
487,183.12x = 672,126.06 × 296,126.80 - Step 4: Simplify right side
487,183.12x = 199,034,539,344.41 - Step 5: Solve for x
x = 199,034,539,344.41/487,183.12 - Step 6: Final answer
x = 408,541.53
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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.