Finding the Fourth Proportional to 173,658.63, 239,658.95 and 97,177.05
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Solution
The fourth proportional to 173,658.63, 239,658.95 and 97,177.05 is: 134,109.95
Step by Step Solution
- Step 1: Write the proportion equation
173,658.63 : 239,658.95 = 97,177.05 : x - Step 2: Convert to fraction form
173,658.63/239,658.95 = 97,177.05/x - Step 3: Cross multiply
173,658.63x = 239,658.95 × 97,177.05 - Step 4: Simplify right side
173,658.63x = 23,289,349,767.10 - Step 5: Solve for x
x = 23,289,349,767.10/173,658.63 - Step 6: Final answer
x = 134,109.95
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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.