Finding the Fourth Proportional to 342,723.57, 472,964.37 and 187,688.49
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Solution
The fourth proportional to 342,723.57, 472,964.37 and 187,688.49 is: 259,013.32
Step by Step Solution
- Step 1: Write the proportion equation
342,723.57 : 472,964.37 = 187,688.49 : x - Step 2: Convert to fraction form
342,723.57/472,964.37 = 187,688.49/x - Step 3: Cross multiply
342,723.57x = 472,964.37 × 187,688.49 - Step 4: Simplify right side
342,723.57x = 88,769,968,429.10 - Step 5: Solve for x
x = 88,769,968,429.10/342,723.57 - Step 6: Final answer
x = 259,013.32
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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.