Finding the Fourth Proportional to 353,251.14, 487,239.48 and 232,353.78
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Solution
The fourth proportional to 353,251.14, 487,239.48 and 232,353.78 is: 320,485.69
Step by Step Solution
- Step 1: Write the proportion equation
353,251.14 : 487,239.48 = 232,353.78 : x - Step 2: Convert to fraction form
353,251.14/487,239.48 = 232,353.78/x - Step 3: Cross multiply
353,251.14x = 487,239.48 × 232,353.78 - Step 4: Simplify right side
353,251.14x = 113,211,934,943.23 - Step 5: Solve for x
x = 113,211,934,943.23/353,251.14 - Step 6: Final answer
x = 320,485.69
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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.