Finding the Fourth Proportional to 319,202.62, 440,502.69 and 175,967.80
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Solution
The fourth proportional to 319,202.62, 440,502.69 and 175,967.80 is: 242,837.26
Step by Step Solution
- Step 1: Write the proportion equation
319,202.62 : 440,502.69 = 175,967.80 : x - Step 2: Convert to fraction form
319,202.62/440,502.69 = 175,967.80/x - Step 3: Cross multiply
319,202.62x = 440,502.69 × 175,967.80 - Step 4: Simplify right side
319,202.62x = 77,514,289,253.38 - Step 5: Solve for x
x = 77,514,289,253.38/319,202.62 - Step 6: Final answer
x = 242,837.26
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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.