Finding the Fourth Proportional to 912,076.13, 1,368,114.20 and 247,228.13
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Solution
The fourth proportional to 912,076.13, 1,368,114.20 and 247,228.13 is: 370,842.19
Step by Step Solution
- Step 1: Write the proportion equation
912,076.13 : 1,368,114.20 = 247,228.13 : x - Step 2: Convert to fraction form
912,076.13/1,368,114.20 = 247,228.13/x - Step 3: Cross multiply
912,076.13x = 1,368,114.20 × 247,228.13 - Step 4: Simplify right side
912,076.13x = 338,236,307,215.73 - Step 5: Solve for x
x = 338,236,307,215.73/912,076.13 - Step 6: Final answer
x = 370,842.19
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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.