Finding the Fourth Proportional to 276,023.20, 413,781.36 and 88,938.40
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Solution
The fourth proportional to 276,023.20, 413,781.36 and 88,938.40 is: 133,325.94
Step by Step Solution
- Step 1: Write the proportion equation
276,023.20 : 413,781.36 = 88,938.40 : x - Step 2: Convert to fraction form
276,023.20/413,781.36 = 88,938.40/x - Step 3: Cross multiply
276,023.20x = 413,781.36 × 88,938.40 - Step 4: Simplify right side
276,023.20x = 36,801,052,108.22 - Step 5: Solve for x
x = 36,801,052,108.22/276,023.20 - Step 6: Final answer
x = 133,325.94
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1.5x scale
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.