Finding the Fourth Proportional to 239,810.29, 330,929.45 and 132,379.99
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Solution
The fourth proportional to 239,810.29, 330,929.45 and 132,379.99 is: 182,679.55
Step by Step Solution
- Step 1: Write the proportion equation
239,810.29 : 330,929.45 = 132,379.99 : x - Step 2: Convert to fraction form
239,810.29/330,929.45 = 132,379.99/x - Step 3: Cross multiply
239,810.29x = 330,929.45 × 132,379.99 - Step 4: Simplify right side
239,810.29x = 43,808,436,288.91 - Step 5: Solve for x
x = 43,808,436,288.91/239,810.29 - Step 6: Final answer
x = 182,679.55
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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.