Finding the Fourth Proportional to 319,117.43, 440,376.35 and 173,924.52
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Solution
The fourth proportional to 319,117.43, 440,376.35 and 173,924.52 is: 240,012.73
Step by Step Solution
- Step 1: Write the proportion equation
319,117.43 : 440,376.35 = 173,924.52 : x - Step 2: Convert to fraction form
319,117.43/440,376.35 = 173,924.52/x - Step 3: Cross multiply
319,117.43x = 440,376.35 × 173,924.52 - Step 4: Simplify right side
319,117.43x = 76,592,244,423.48 - Step 5: Solve for x
x = 76,592,244,423.48/319,117.43 - Step 6: Final answer
x = 240,012.73
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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.