Finding the Fourth Proportional to 276,132.44, 413,534.35 and 157,443.95
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Solution
The fourth proportional to 276,132.44, 413,534.35 and 157,443.95 is: 235,787.15
Step by Step Solution
- Step 1: Write the proportion equation
276,132.44 : 413,534.35 = 157,443.95 : x - Step 2: Convert to fraction form
276,132.44/413,534.35 = 157,443.95/x - Step 3: Cross multiply
276,132.44x = 413,534.35 × 157,443.95 - Step 4: Simplify right side
276,132.44x = 65,108,479,457.01 - Step 5: Solve for x
x = 65,108,479,457.01/276,132.44 - Step 6: Final answer
x = 235,787.15
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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.