Finding the Fourth Proportional to 536,013.12, 739,707.84 and 294,318.48
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Solution
The fourth proportional to 536,013.12, 739,707.84 and 294,318.48 is: 406,164.85
Step by Step Solution
- Step 1: Write the proportion equation
536,013.12 : 739,707.84 = 294,318.48 : x - Step 2: Convert to fraction form
536,013.12/739,707.84 = 294,318.48/x - Step 3: Cross multiply
536,013.12x = 739,707.84 × 294,318.48 - Step 4: Simplify right side
536,013.12x = 217,709,687,112.88 - Step 5: Solve for x
x = 217,709,687,112.88/536,013.12 - Step 6: Final answer
x = 406,164.85
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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.