Finding the Fourth Proportional to 319,183.57, 440,476.29 and 175,948.75
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Solution
The fourth proportional to 319,183.57, 440,476.29 and 175,948.75 is: 242,810.91
Step by Step Solution
- Step 1: Write the proportion equation
319,183.57 : 440,476.29 = 175,948.75 : x - Step 2: Convert to fraction form
319,183.57/440,476.29 = 175,948.75/x - Step 3: Cross multiply
319,183.57x = 440,476.29 × 175,948.75 - Step 4: Simplify right side
319,183.57x = 77,501,252,630.14 - Step 5: Solve for x
x = 77,501,252,630.14/319,183.57 - Step 6: Final answer
x = 242,810.91
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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.