Finding the Fourth Proportional to 411,424.06, 568,115.62 and 258,717.80
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Solution
The fourth proportional to 411,424.06, 568,115.62 and 258,717.80 is: 357,250.92
Step by Step Solution
- Step 1: Write the proportion equation
411,424.06 : 568,115.62 = 258,717.80 : x - Step 2: Convert to fraction form
411,424.06/568,115.62 = 258,717.80/x - Step 3: Cross multiply
411,424.06x = 568,115.62 × 258,717.80 - Step 4: Simplify right side
411,424.06x = 146,981,623,352.04 - Step 5: Solve for x
x = 146,981,623,352.04/411,424.06 - Step 6: Final answer
x = 357,250.92
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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.