Finding the Fourth Proportional to 475,133.10, 712,693.70 and 115,306.94
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Solution
The fourth proportional to 475,133.10, 712,693.70 and 115,306.94 is: 172,958.96
Step by Step Solution
- Step 1: Write the proportion equation
475,133.10 : 712,693.70 = 115,306.94 : x - Step 2: Convert to fraction form
475,133.10/712,693.70 = 115,306.94/x - Step 3: Cross multiply
475,133.10x = 712,693.70 × 115,306.94 - Step 4: Simplify right side
475,133.10x = 82,178,527,346.01 - Step 5: Solve for x
x = 82,178,527,346.01/475,133.10 - Step 6: Final answer
x = 172,958.96
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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.