Finding the Fourth Proportional to 237,270.78, 355,937.49 and 87,616.26
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Solution
The fourth proportional to 237,270.78, 355,937.49 and 87,616.26 is: 131,435.96
Step by Step Solution
- Step 1: Write the proportion equation
237,270.78 : 355,937.49 = 87,616.26 : x - Step 2: Convert to fraction form
237,270.78/355,937.49 = 87,616.26/x - Step 3: Cross multiply
237,270.78x = 355,937.49 × 87,616.26 - Step 4: Simplify right side
237,270.78x = 31,185,911,667.59 - Step 5: Solve for x
x = 31,185,911,667.59/237,270.78 - Step 6: Final answer
x = 131,435.96
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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.