Finding the Fourth Proportional to 325,247.91, 487,918.35 and 100,627.53
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Solution
The fourth proportional to 325,247.91, 487,918.35 and 100,627.53 is: 150,955.68
Step by Step Solution
- Step 1: Write the proportion equation
325,247.91 : 487,918.35 = 100,627.53 : x - Step 2: Convert to fraction form
325,247.91/487,918.35 = 100,627.53/x - Step 3: Cross multiply
325,247.91x = 487,918.35 × 100,627.53 - Step 4: Simplify right side
325,247.91x = 49,098,018,402.18 - Step 5: Solve for x
x = 49,098,018,402.18/325,247.91 - Step 6: Final answer
x = 150,955.68
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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.