Finding the Fourth Proportional to 178,889.13, 246,868.34 and 98,318.03
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Solution
The fourth proportional to 178,889.13, 246,868.34 and 98,318.03 is: 135,679.61
Step by Step Solution
- Step 1: Write the proportion equation
178,889.13 : 246,868.34 = 98,318.03 : x - Step 2: Convert to fraction form
178,889.13/246,868.34 = 98,318.03/x - Step 3: Cross multiply
178,889.13x = 246,868.34 × 98,318.03 - Step 4: Simplify right side
178,889.13x = 24,271,607,132.24 - Step 5: Solve for x
x = 24,271,607,132.24/178,889.13 - Step 6: Final answer
x = 135,679.61
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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.