Finding the Fourth Proportional to 178,013.81, 245,658.87 and 97,440.62
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Solution
The fourth proportional to 178,013.81, 245,658.87 and 97,440.62 is: 134,467.95
Step by Step Solution
- Step 1: Write the proportion equation
178,013.81 : 245,658.87 = 97,440.62 : x - Step 2: Convert to fraction form
178,013.81/245,658.87 = 97,440.62/x - Step 3: Cross multiply
178,013.81x = 245,658.87 × 97,440.62 - Step 4: Simplify right side
178,013.81x = 23,937,151,373.01 - Step 5: Solve for x
x = 23,937,151,373.01/178,013.81 - Step 6: Final answer
x = 134,467.95
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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.