Finding the Fourth Proportional to 270,240.71, 372,894.13 and 155,475.75
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Solution
The fourth proportional to 270,240.71, 372,894.13 and 155,475.75 is: 214,534.65
Step by Step Solution
- Step 1: Write the proportion equation
270,240.71 : 372,894.13 = 155,475.75 : x - Step 2: Convert to fraction form
270,240.71/372,894.13 = 155,475.75/x - Step 3: Cross multiply
270,240.71x = 372,894.13 × 155,475.75 - Step 4: Simplify right side
270,240.71x = 57,975,996,125.05 - Step 5: Solve for x
x = 57,975,996,125.05/270,240.71 - Step 6: Final answer
x = 214,534.65
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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.