Finding the Fourth Proportional to 398,247.33, 549,579.16 and 216,958.84
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Solution
The fourth proportional to 398,247.33, 549,579.16 and 216,958.84 is: 299,402.02
Step by Step Solution
- Step 1: Write the proportion equation
398,247.33 : 549,579.16 = 216,958.84 : x - Step 2: Convert to fraction form
398,247.33/549,579.16 = 216,958.84/x - Step 3: Cross multiply
398,247.33x = 549,579.16 × 216,958.84 - Step 4: Simplify right side
398,247.33x = 119,236,055,939.03 - Step 5: Solve for x
x = 119,236,055,939.03/398,247.33 - Step 6: Final answer
x = 299,402.02
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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.