Finding the Fourth Proportional to 270,254.97, 372,934.05 and 155,515.08
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Solution
The fourth proportional to 270,254.97, 372,934.05 and 155,515.08 is: 214,600.56
Step by Step Solution
- Step 1: Write the proportion equation
270,254.97 : 372,934.05 = 155,515.08 : x - Step 2: Convert to fraction form
270,254.97/372,934.05 = 155,515.08/x - Step 3: Cross multiply
270,254.97x = 372,934.05 × 155,515.08 - Step 4: Simplify right side
270,254.97x = 57,996,868,620.47 - Step 5: Solve for x
x = 57,996,868,620.47/270,254.97 - Step 6: Final answer
x = 214,600.56
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1.5x scale
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.