Finding the Fourth Proportional to 909,232.36, 1,363,799.07 and 278,146.17
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Solution
The fourth proportional to 909,232.36, 1,363,799.07 and 278,146.17 is: 417,204.12
Step by Step Solution
- Step 1: Write the proportion equation
909,232.36 : 1,363,799.07 = 278,146.17 : x - Step 2: Convert to fraction form
909,232.36/1,363,799.07 = 278,146.17/x - Step 3: Cross multiply
909,232.36x = 1,363,799.07 × 278,146.17 - Step 4: Simplify right side
909,232.36x = 379,335,487,970.06 - Step 5: Solve for x
x = 379,335,487,970.06/909,232.36 - Step 6: Final answer
x = 417,204.12
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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.