Finding the Fourth Proportional to 319,040.73, 440,285.46 and 175,809.99
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Solution
The fourth proportional to 319,040.73, 440,285.46 and 175,809.99 is: 242,622.88
Step by Step Solution
- Step 1: Write the proportion equation
319,040.73 : 440,285.46 = 175,809.99 : x - Step 2: Convert to fraction form
319,040.73/440,285.46 = 175,809.99/x - Step 3: Cross multiply
319,040.73x = 440,285.46 × 175,809.99 - Step 4: Simplify right side
319,040.73x = 77,406,582,319.75 - Step 5: Solve for x
x = 77,406,582,319.75/319,040.73 - Step 6: Final answer
x = 242,622.88
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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.