Finding the Fourth Proportional to 173,778.10, 239,690.10 and 159,484.06
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Solution
The fourth proportional to 173,778.10, 239,690.10 and 159,484.06 is: 219,974.50
Step by Step Solution
- Step 1: Write the proportion equation
173,778.10 : 239,690.10 = 159,484.06 : x - Step 2: Convert to fraction form
173,778.10/239,690.10 = 159,484.06/x - Step 3: Cross multiply
173,778.10x = 239,690.10 × 159,484.06 - Step 4: Simplify right side
173,778.10x = 38,226,750,289.81 - Step 5: Solve for x
x = 38,226,750,289.81/173,778.10 - Step 6: Final answer
x = 219,974.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.