Finding the Fourth Proportional to 256,149.53, 384,242.75 and 98,377.99
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Solution
The fourth proportional to 256,149.53, 384,242.75 and 98,377.99 is: 147,574.07
Step by Step Solution
- Step 1: Write the proportion equation
256,149.53 : 384,242.75 = 98,377.99 : x - Step 2: Convert to fraction form
256,149.53/384,242.75 = 98,377.99/x - Step 3: Cross multiply
256,149.53x = 384,242.75 × 98,377.99 - Step 4: Simplify right side
256,149.53x = 37,801,029,417.07 - Step 5: Solve for x
x = 37,801,029,417.07/256,149.53 - Step 6: Final answer
x = 147,574.07
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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.