Finding the Fourth Proportional to 147,527.90, 203,553.50 and 83,860.68
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Solution
The fourth proportional to 147,527.90, 203,553.50 and 83,860.68 is: 115,707.84
Step by Step Solution
- Step 1: Write the proportion equation
147,527.90 : 203,553.50 = 83,860.68 : x - Step 2: Convert to fraction form
147,527.90/203,553.50 = 83,860.68/x - Step 3: Cross multiply
147,527.90x = 203,553.50 × 83,860.68 - Step 4: Simplify right side
147,527.90x = 17,070,134,926.38 - Step 5: Solve for x
x = 17,070,134,926.38/147,527.90 - Step 6: Final answer
x = 115,707.84
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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.