Finding the Fourth Proportional to 239,330.12, 330,331.84 and 148,754.49
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Solution
The fourth proportional to 239,330.12, 330,331.84 and 148,754.49 is: 205,316.17
Step by Step Solution
- Step 1: Write the proportion equation
239,330.12 : 330,331.84 = 148,754.49 : x - Step 2: Convert to fraction form
239,330.12/330,331.84 = 148,754.49/x - Step 3: Cross multiply
239,330.12x = 330,331.84 × 148,754.49 - Step 4: Simplify right side
239,330.12x = 49,138,343,337.16 - Step 5: Solve for x
x = 49,138,343,337.16/239,330.12 - Step 6: Final answer
x = 205,316.17
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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.