Finding the Fourth Proportional to 203,209.58, 305,011.18 and 98,102.36
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Solution
The fourth proportional to 203,209.58, 305,011.18 and 98,102.36 is: 147,248.55
Step by Step Solution
- Step 1: Write the proportion equation
203,209.58 : 305,011.18 = 98,102.36 : x - Step 2: Convert to fraction form
203,209.58/305,011.18 = 98,102.36/x - Step 3: Cross multiply
203,209.58x = 305,011.18 × 98,102.36 - Step 4: Simplify right side
203,209.58x = 29,922,316,584.38 - Step 5: Solve for x
x = 29,922,316,584.38/203,209.58 - Step 6: Final answer
x = 147,248.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.