Finding the Fourth Proportional to 97,416.44, 134,440.80 and 57,115.52
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Solution
The fourth proportional to 97,416.44, 134,440.80 and 57,115.52 is: 78,823.00
Step by Step Solution
- Step 1: Write the proportion equation
97,416.44 : 134,440.80 = 57,115.52 : x - Step 2: Convert to fraction form
97,416.44/134,440.80 = 57,115.52/x - Step 3: Cross multiply
97,416.44x = 134,440.80 × 57,115.52 - Step 4: Simplify right side
97,416.44x = 7,678,656,201.22 - Step 5: Solve for x
x = 7,678,656,201.22/97,416.44 - Step 6: Final answer
x = 78,823.00
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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.