Finding the Fourth Proportional to 239,593.56, 359,424.74 and 79,615.08
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Solution
The fourth proportional to 239,593.56, 359,424.74 and 79,615.08 is: 119,434.05
Step by Step Solution
- Step 1: Write the proportion equation
239,593.56 : 359,424.74 = 79,615.08 : x - Step 2: Convert to fraction form
239,593.56/359,424.74 = 79,615.08/x - Step 3: Cross multiply
239,593.56x = 359,424.74 × 79,615.08 - Step 4: Simplify right side
239,593.56x = 28,615,629,429.08 - Step 5: Solve for x
x = 28,615,629,429.08/239,593.56 - Step 6: Final answer
x = 119,434.05
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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.