Finding the Fourth Proportional to 167,935.70, 251,903.55 and 55,585.70
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Solution
The fourth proportional to 167,935.70, 251,903.55 and 55,585.70 is: 83,378.55
Step by Step Solution
- Step 1: Write the proportion equation
167,935.70 : 251,903.55 = 55,585.70 : x - Step 2: Convert to fraction form
167,935.70/251,903.55 = 55,585.70/x - Step 3: Cross multiply
167,935.70x = 251,903.55 × 55,585.70 - Step 4: Simplify right side
167,935.70x = 14,002,235,159.24 - Step 5: Solve for x
x = 14,002,235,159.24/167,935.70 - Step 6: Final answer
x = 83,378.55
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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.