Finding the Fourth Proportional to 372,204.16, 513,646.08 and 202,442.24
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Solution
The fourth proportional to 372,204.16, 513,646.08 and 202,442.24 is: 279,372.65
Step by Step Solution
- Step 1: Write the proportion equation
372,204.16 : 513,646.08 = 202,442.24 : x - Step 2: Convert to fraction form
372,204.16/513,646.08 = 202,442.24/x - Step 3: Cross multiply
372,204.16x = 513,646.08 × 202,442.24 - Step 4: Simplify right side
372,204.16x = 103,983,663,002.42 - Step 5: Solve for x
x = 103,983,663,002.42/372,204.16 - Step 6: Final answer
x = 279,372.65
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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.