Finding the Fourth Proportional to 248,040.42, 342,235.83 and 157,363.75
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Solution
The fourth proportional to 248,040.42, 342,235.83 and 157,363.75 is: 217,123.94
Step by Step Solution
- Step 1: Write the proportion equation
248,040.42 : 342,235.83 = 157,363.75 : x - Step 2: Convert to fraction form
248,040.42/342,235.83 = 157,363.75/x - Step 3: Cross multiply
248,040.42x = 342,235.83 × 157,363.75 - Step 4: Simplify right side
248,040.42x = 53,855,513,593.16 - Step 5: Solve for x
x = 53,855,513,593.16/248,040.42 - Step 6: Final answer
x = 217,123.94
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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.