Finding the Fourth Proportional to 278,220.24, 417,408.30 and 91,362.96
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Solution
The fourth proportional to 278,220.24, 417,408.30 and 91,362.96 is: 137,070.03
Step by Step Solution
- Step 1: Write the proportion equation
278,220.24 : 417,408.30 = 91,362.96 : x - Step 2: Convert to fraction form
278,220.24/417,408.30 = 91,362.96/x - Step 3: Cross multiply
278,220.24x = 417,408.30 × 91,362.96 - Step 4: Simplify right side
278,220.24x = 38,135,657,816.57 - Step 5: Solve for x
x = 38,135,657,816.57/278,220.24 - Step 6: Final answer
x = 137,070.03
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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.