Finding the Fourth Proportional to 437,489.98, 603,754.76 and 243,897.65
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Solution
The fourth proportional to 437,489.98, 603,754.76 and 243,897.65 is: 336,589.12
Step by Step Solution
- Step 1: Write the proportion equation
437,489.98 : 603,754.76 = 243,897.65 : x - Step 2: Convert to fraction form
437,489.98/603,754.76 = 243,897.65/x - Step 3: Cross multiply
437,489.98x = 603,754.76 × 243,897.65 - Step 4: Simplify right side
437,489.98x = 147,254,367,140.31 - Step 5: Solve for x
x = 147,254,367,140.31/437,489.98 - Step 6: Final answer
x = 336,589.12
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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.