Finding the Fourth Proportional to 513,320.58, 769,723.92 and 158,288.49
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Solution
The fourth proportional to 513,320.58, 769,723.92 and 158,288.49 is: 237,353.50
Step by Step Solution
- Step 1: Write the proportion equation
513,320.58 : 769,723.92 = 158,288.49 : x - Step 2: Convert to fraction form
513,320.58/769,723.92 = 158,288.49/x - Step 3: Cross multiply
513,320.58x = 769,723.92 × 158,288.49 - Step 4: Simplify right side
513,320.58x = 121,838,437,013.68 - Step 5: Solve for x
x = 121,838,437,013.68/513,320.58 - Step 6: Final answer
x = 237,353.50
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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.