Finding the Fourth Proportional to 157,457.20, 235,937.92 and 98,204.08
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Solution
The fourth proportional to 157,457.20, 235,937.92 and 98,204.08 is: 147,151.52
Step by Step Solution
- Step 1: Write the proportion equation
157,457.20 : 235,937.92 = 98,204.08 : x - Step 2: Convert to fraction form
157,457.20/235,937.92 = 98,204.08/x - Step 3: Cross multiply
157,457.20x = 235,937.92 × 98,204.08 - Step 4: Simplify right side
157,457.20x = 23,170,066,370.71 - Step 5: Solve for x
x = 23,170,066,370.71/157,457.20 - Step 6: Final answer
x = 147,151.52
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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.