Finding the Fourth Proportional to 838,138.04, 1,257,402.34 and 239,107.48
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Solution
The fourth proportional to 838,138.04, 1,257,402.34 and 239,107.48 is: 358,716.93
Step by Step Solution
- Step 1: Write the proportion equation
838,138.04 : 1,257,402.34 = 239,107.48 : x - Step 2: Convert to fraction form
838,138.04/1,257,402.34 = 239,107.48/x - Step 3: Cross multiply
838,138.04x = 1,257,402.34 × 239,107.48 - Step 4: Simplify right side
838,138.04x = 300,654,304,863.50 - Step 5: Solve for x
x = 300,654,304,863.50/838,138.04 - Step 6: Final answer
x = 358,716.93
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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.