Finding the Fourth Proportional to 888,225, 1,332,348.84 and 257,139.42
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Solution
The fourth proportional to 888,225, 1,332,348.84 and 257,139.42 is: 385,712.41
Step by Step Solution
- Step 1: Write the proportion equation
888,225 : 1,332,348.84 = 257,139.42 : x - Step 2: Convert to fraction form
888,225/1,332,348.84 = 257,139.42/x - Step 3: Cross multiply
888,225x = 1,332,348.84 × 257,139.42 - Step 4: Simplify right side
888,225x = 342,599,407,955.27 - Step 5: Solve for x
x = 342,599,407,955.27/888,225 - Step 6: Final answer
x = 385,712.41
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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.