Finding the Fourth Proportional to 197,218.10, 296,021.55 and 97,490.90
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Solution
The fourth proportional to 197,218.10, 296,021.55 and 97,490.90 is: 146,332.45
Step by Step Solution
- Step 1: Write the proportion equation
197,218.10 : 296,021.55 = 97,490.90 : x - Step 2: Convert to fraction form
197,218.10/296,021.55 = 97,490.90/x - Step 3: Cross multiply
197,218.10x = 296,021.55 × 97,490.90 - Step 4: Simplify right side
197,218.10x = 28,859,407,328.90 - Step 5: Solve for x
x = 28,859,407,328.90/197,218.10 - Step 6: Final answer
x = 146,332.45
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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.