Finding the Fourth Proportional to 268,024.68, 369,879.18 and 147,178.34
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Solution
The fourth proportional to 268,024.68, 369,879.18 and 147,178.34 is: 203,108.92
Step by Step Solution
- Step 1: Write the proportion equation
268,024.68 : 369,879.18 = 147,178.34 : x - Step 2: Convert to fraction form
268,024.68/369,879.18 = 147,178.34/x - Step 3: Cross multiply
268,024.68x = 369,879.18 × 147,178.34 - Step 4: Simplify right side
268,024.68x = 54,438,203,712.96 - Step 5: Solve for x
x = 54,438,203,712.96/268,024.68 - Step 6: Final answer
x = 203,108.92
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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.