Finding the Fourth Proportional to 230,756.56, 318,448.20 and 135,332.08
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Solution
The fourth proportional to 230,756.56, 318,448.20 and 135,332.08 is: 186,760.70
Step by Step Solution
- Step 1: Write the proportion equation
230,756.56 : 318,448.20 = 135,332.08 : x - Step 2: Convert to fraction form
230,756.56/318,448.20 = 135,332.08/x - Step 3: Cross multiply
230,756.56x = 318,448.20 × 135,332.08 - Step 4: Simplify right side
230,756.56x = 43,096,257,278.26 - Step 5: Solve for x
x = 43,096,257,278.26/230,756.56 - Step 6: Final answer
x = 186,760.70
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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.