Finding the Fourth Proportional to 178,886.07, 246,868.70 and 98,316.45
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Solution
The fourth proportional to 178,886.07, 246,868.70 and 98,316.45 is: 135,679.95
Step by Step Solution
- Step 1: Write the proportion equation
178,886.07 : 246,868.70 = 98,316.45 : x - Step 2: Convert to fraction form
178,886.07/246,868.70 = 98,316.45/x - Step 3: Cross multiply
178,886.07x = 246,868.70 × 98,316.45 - Step 4: Simplify right side
178,886.07x = 24,271,253,708.53 - Step 5: Solve for x
x = 24,271,253,708.53/178,886.07 - Step 6: Final answer
x = 135,679.95
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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.