Finding the Fourth Proportional to 160,690.96, 240,722.70 and 76,331.08
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Solution
The fourth proportional to 160,690.96, 240,722.70 and 76,331.08 is: 114,347.59
Step by Step Solution
- Step 1: Write the proportion equation
160,690.96 : 240,722.70 = 76,331.08 : x - Step 2: Convert to fraction form
160,690.96/240,722.70 = 76,331.08/x - Step 3: Cross multiply
160,690.96x = 240,722.70 × 76,331.08 - Step 4: Simplify right side
160,690.96x = 18,374,623,671.52 - Step 5: Solve for x
x = 18,374,623,671.52/160,690.96 - Step 6: Final answer
x = 114,347.59
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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.