Finding the Fourth Proportional to 293,142.66, 439,739.91 and 159,965.70
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Solution
The fourth proportional to 293,142.66, 439,739.91 and 159,965.70 is: 239,962.69
Step by Step Solution
- Step 1: Write the proportion equation
293,142.66 : 439,739.91 = 159,965.70 : x - Step 2: Convert to fraction form
293,142.66/439,739.91 = 159,965.70/x - Step 3: Cross multiply
293,142.66x = 439,739.91 × 159,965.70 - Step 4: Simplify right side
293,142.66x = 70,343,302,521.09 - Step 5: Solve for x
x = 70,343,302,521.09/293,142.66 - Step 6: Final answer
x = 239,962.69
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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.