Finding the Fourth Proportional to 838,117.35, 1,257,371.24 and 239,086.71
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Solution
The fourth proportional to 838,117.35, 1,257,371.24 and 239,086.71 is: 358,685.75
Step by Step Solution
- Step 1: Write the proportion equation
838,117.35 : 1,257,371.24 = 239,086.71 : x - Step 2: Convert to fraction form
838,117.35/1,257,371.24 = 239,086.71/x - Step 3: Cross multiply
838,117.35x = 1,257,371.24 × 239,086.71 - Step 4: Simplify right side
838,117.35x = 300,620,751,824.79 - Step 5: Solve for x
x = 300,620,751,824.79/838,117.35 - Step 6: Final answer
x = 358,685.75
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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.