Finding the Fourth Proportional to 431,939.96, 596,073.08 and 238,349.45
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Solution
The fourth proportional to 431,939.96, 596,073.08 and 238,349.45 is: 328,919.99
Step by Step Solution
- Step 1: Write the proportion equation
431,939.96 : 596,073.08 = 238,349.45 : x - Step 2: Convert to fraction form
431,939.96/596,073.08 = 238,349.45/x - Step 3: Cross multiply
431,939.96x = 596,073.08 × 238,349.45 - Step 4: Simplify right side
431,939.96x = 142,073,686,605.69 - Step 5: Solve for x
x = 142,073,686,605.69/431,939.96 - Step 6: Final answer
x = 328,919.99
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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.