Finding the Fourth Proportional to 319,675.62, 479,357.91 and 169,987.62
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Solution
The fourth proportional to 319,675.62, 479,357.91 and 169,987.62 is: 254,898.73
Step by Step Solution
- Step 1: Write the proportion equation
319,675.62 : 479,357.91 = 169,987.62 : x - Step 2: Convert to fraction form
319,675.62/479,357.91 = 169,987.62/x - Step 3: Cross multiply
319,675.62x = 479,357.91 × 169,987.62 - Step 4: Simplify right side
319,675.62x = 81,484,910,249.07 - Step 5: Solve for x
x = 81,484,910,249.07/319,675.62 - Step 6: Final answer
x = 254,898.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.