Finding the Fourth Proportional to 256,209.06, 384,548.68 and 129,937.14
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Solution
The fourth proportional to 256,209.06, 384,548.68 and 129,937.14 is: 195,024.94
Step by Step Solution
- Step 1: Write the proportion equation
256,209.06 : 384,548.68 = 129,937.14 : x - Step 2: Convert to fraction form
256,209.06/384,548.68 = 129,937.14/x - Step 3: Cross multiply
256,209.06x = 384,548.68 × 129,937.14 - Step 4: Simplify right side
256,209.06x = 49,967,155,669.98 - Step 5: Solve for x
x = 49,967,155,669.98/256,209.06 - Step 6: Final answer
x = 195,024.94
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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.