Finding the Fourth Proportional to 159,586.80, 238,919.40 and 97,378.80
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Solution
The fourth proportional to 159,586.80, 238,919.40 and 97,378.80 is: 145,787.02
Step by Step Solution
- Step 1: Write the proportion equation
159,586.80 : 238,919.40 = 97,378.80 : x - Step 2: Convert to fraction form
159,586.80/238,919.40 = 97,378.80/x - Step 3: Cross multiply
159,586.80x = 238,919.40 × 97,378.80 - Step 4: Simplify right side
159,586.80x = 23,265,684,468.72 - Step 5: Solve for x
x = 23,265,684,468.72/159,586.80 - Step 6: Final answer
x = 145,787.02
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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.