Finding the Fourth Proportional to 319,484.48, 479,226.72 and 97,839.68
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Solution
The fourth proportional to 319,484.48, 479,226.72 and 97,839.68 is: 146,759.52
Step by Step Solution
- Step 1: Write the proportion equation
319,484.48 : 479,226.72 = 97,839.68 : x - Step 2: Convert to fraction form
319,484.48/479,226.72 = 97,839.68/x - Step 3: Cross multiply
319,484.48x = 479,226.72 × 97,839.68 - Step 4: Simplify right side
319,484.48x = 46,887,388,932.25 - Step 5: Solve for x
x = 46,887,388,932.25/319,484.48 - Step 6: Final answer
x = 146,759.52
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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.