Finding the Fourth Proportional to 319,245.50, 440,549.74 and 176,005.66
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Solution
The fourth proportional to 319,245.50, 440,549.74 and 176,005.66 is: 242,882.82
Step by Step Solution
- Step 1: Write the proportion equation
319,245.50 : 440,549.74 = 176,005.66 : x - Step 2: Convert to fraction form
319,245.50/440,549.74 = 176,005.66/x - Step 3: Cross multiply
319,245.50x = 440,549.74 × 176,005.66 - Step 4: Simplify right side
319,245.50x = 77,539,246,706.16 - Step 5: Solve for x
x = 77,539,246,706.16/319,245.50 - Step 6: Final answer
x = 242,882.82
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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.