Finding the Fourth Proportional to 157,432.75, 236,189.10 and 46,624.75
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Solution
The fourth proportional to 157,432.75, 236,189.10 and 46,624.75 is: 69,948.96
Step by Step Solution
- Step 1: Write the proportion equation
157,432.75 : 236,189.10 = 46,624.75 : x - Step 2: Convert to fraction form
157,432.75/236,189.10 = 46,624.75/x - Step 3: Cross multiply
157,432.75x = 236,189.10 × 46,624.75 - Step 4: Simplify right side
157,432.75x = 11,012,257,740.23 - Step 5: Solve for x
x = 11,012,257,740.23/157,432.75 - Step 6: Final answer
x = 69,948.96
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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.