Finding the Fourth Proportional to 319,001.07, 440,221.12 and 175,761.07
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Solution
The fourth proportional to 319,001.07, 440,221.12 and 175,761.07 is: 242,550.08
Step by Step Solution
- Step 1: Write the proportion equation
319,001.07 : 440,221.12 = 175,761.07 : x - Step 2: Convert to fraction form
319,001.07/440,221.12 = 175,761.07/x - Step 3: Cross multiply
319,001.07x = 440,221.12 × 175,761.07 - Step 4: Simplify right side
319,001.07x = 77,373,735,198.67 - Step 5: Solve for x
x = 77,373,735,198.67/319,001.07 - Step 6: Final answer
x = 242,550.08
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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.