Finding the Fourth Proportional to 217,482.12, 299,443.32 and 197,553.09
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Solution
The fourth proportional to 217,482.12, 299,443.32 and 197,553.09 is: 272,003.75
Step by Step Solution
- Step 1: Write the proportion equation
217,482.12 : 299,443.32 = 197,553.09 : x - Step 2: Convert to fraction form
217,482.12/299,443.32 = 197,553.09/x - Step 3: Cross multiply
217,482.12x = 299,443.32 × 197,553.09 - Step 4: Simplify right side
217,482.12x = 59,155,953,145.86 - Step 5: Solve for x
x = 59,155,953,145.86/217,482.12 - Step 6: Final answer
x = 272,003.75
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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.