Finding the Fourth Proportional to 319,500.18, 440,911.74 and 176,260.17
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Solution
The fourth proportional to 319,500.18, 440,911.74 and 176,260.17 is: 243,239.86
Step by Step Solution
- Step 1: Write the proportion equation
319,500.18 : 440,911.74 = 176,260.17 : x - Step 2: Convert to fraction form
319,500.18/440,911.74 = 176,260.17/x - Step 3: Cross multiply
319,500.18x = 440,911.74 × 176,260.17 - Step 4: Simplify right side
319,500.18x = 77,715,178,247.40 - Step 5: Solve for x
x = 77,715,178,247.40/319,500.18 - Step 6: Final answer
x = 243,239.86
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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.