Finding the Fourth Proportional to 128,565.60, 192,972.90 and 62,052.44
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Solution
The fourth proportional to 128,565.60, 192,972.90 and 62,052.44 is: 93,138.75
Step by Step Solution
- Step 1: Write the proportion equation
128,565.60 : 192,972.90 = 62,052.44 : x - Step 2: Convert to fraction form
128,565.60/192,972.90 = 62,052.44/x - Step 3: Cross multiply
128,565.60x = 192,972.90 × 62,052.44 - Step 4: Simplify right side
128,565.60x = 11,974,439,298.88 - Step 5: Solve for x
x = 11,974,439,298.88/128,565.60 - Step 6: Final answer
x = 93,138.75
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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.