Finding the Fourth Proportional to 278,593.20, 417,603.84 and 110,045.28
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Solution
The fourth proportional to 278,593.20, 417,603.84 and 110,045.28 is: 164,954.96
Step by Step Solution
- Step 1: Write the proportion equation
278,593.20 : 417,603.84 = 110,045.28 : x - Step 2: Convert to fraction form
278,593.20/417,603.84 = 110,045.28/x - Step 3: Cross multiply
278,593.20x = 417,603.84 × 110,045.28 - Step 4: Simplify right side
278,593.20x = 45,955,331,501.88 - Step 5: Solve for x
x = 45,955,331,501.88/278,593.20 - Step 6: Final answer
x = 164,954.96
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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.