Finding the Fourth Proportional to 515,724.69, 773,592.35 and 155,898.49
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Solution
The fourth proportional to 515,724.69, 773,592.35 and 155,898.49 is: 233,849.34
Step by Step Solution
- Step 1: Write the proportion equation
515,724.69 : 773,592.35 = 155,898.49 : x - Step 2: Convert to fraction form
515,724.69/773,592.35 = 155,898.49/x - Step 3: Cross multiply
515,724.69x = 773,592.35 × 155,898.49 - Step 4: Simplify right side
515,724.69x = 120,601,879,240.55 - Step 5: Solve for x
x = 120,601,879,240.55/515,724.69 - Step 6: Final answer
x = 233,849.34
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1.5x scale
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.