Finding the Fourth Proportional to 318,276.66, 439,213.02 and 175,036.70
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Solution
The fourth proportional to 318,276.66, 439,213.02 and 175,036.70 is: 241,545.82
Step by Step Solution
- Step 1: Write the proportion equation
318,276.66 : 439,213.02 = 175,036.70 : x - Step 2: Convert to fraction form
318,276.66/439,213.02 = 175,036.70/x - Step 3: Cross multiply
318,276.66x = 439,213.02 × 175,036.70 - Step 4: Simplify right side
318,276.66x = 76,878,397,617.83 - Step 5: Solve for x
x = 76,878,397,617.83/318,276.66 - Step 6: Final answer
x = 241,545.82
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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.