Finding the Fourth Proportional to 319,476.84, 440,882.85 and 176,233.82
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Solution
The fourth proportional to 319,476.84, 440,882.85 and 176,233.82 is: 243,205.32
Step by Step Solution
- Step 1: Write the proportion equation
319,476.84 : 440,882.85 = 176,233.82 : x - Step 2: Convert to fraction form
319,476.84/440,882.85 = 176,233.82/x - Step 3: Cross multiply
319,476.84x = 440,882.85 × 176,233.82 - Step 4: Simplify right side
319,476.84x = 77,698,466,623.57 - Step 5: Solve for x
x = 77,698,466,623.57/319,476.84 - Step 6: Final answer
x = 243,205.32
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1.5x scale
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.