Finding the Fourth Proportional to 319,292.26, 440,643.16 and 176,052.06
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Solution
The fourth proportional to 319,292.26, 440,643.16 and 176,052.06 is: 242,962.78
Step by Step Solution
- Step 1: Write the proportion equation
319,292.26 : 440,643.16 = 176,052.06 : x - Step 2: Convert to fraction form
319,292.26/440,643.16 = 176,052.06/x - Step 3: Cross multiply
319,292.26x = 440,643.16 × 176,052.06 - Step 4: Simplify right side
319,292.26x = 77,576,136,042.91 - Step 5: Solve for x
x = 77,576,136,042.91/319,292.26 - Step 6: Final answer
x = 242,962.78
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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.