Finding the Fourth Proportional to 558,744.90, 838,247.49 and 159,391.14
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Solution
The fourth proportional to 558,744.90, 838,247.49 and 159,391.14 is: 239,123.83
Step by Step Solution
- Step 1: Write the proportion equation
558,744.90 : 838,247.49 = 159,391.14 : x - Step 2: Convert to fraction form
558,744.90/838,247.49 = 159,391.14/x - Step 3: Cross multiply
558,744.90x = 838,247.49 × 159,391.14 - Step 4: Simplify right side
558,744.90x = 133,609,223,033.24 - Step 5: Solve for x
x = 133,609,223,033.24/558,744.90 - Step 6: Final answer
x = 239,123.83
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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.