Finding the Fourth Proportional to 381,336.54, 526,244.49 and 211,570.26
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Solution
The fourth proportional to 381,336.54, 526,244.49 and 211,570.26 is: 291,966.99
Step by Step Solution
- Step 1: Write the proportion equation
381,336.54 : 526,244.49 = 211,570.26 : x - Step 2: Convert to fraction form
381,336.54/526,244.49 = 211,570.26/x - Step 3: Cross multiply
381,336.54x = 526,244.49 × 211,570.26 - Step 4: Simplify right side
381,336.54x = 111,337,683,572.87 - Step 5: Solve for x
x = 111,337,683,572.87/381,336.54 - Step 6: Final answer
x = 291,966.99
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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.