Finding the Fourth Proportional to 535,789.81, 803,723.60 and 161,841.97
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Solution
The fourth proportional to 535,789.81, 803,723.60 and 161,841.97 is: 242,774.70
Step by Step Solution
- Step 1: Write the proportion equation
535,789.81 : 803,723.60 = 161,841.97 : x - Step 2: Convert to fraction form
535,789.81/803,723.60 = 161,841.97/x - Step 3: Cross multiply
535,789.81x = 803,723.60 × 161,841.97 - Step 4: Simplify right side
535,789.81x = 130,076,210,759.49 - Step 5: Solve for x
x = 130,076,210,759.49/535,789.81 - Step 6: Final answer
x = 242,774.70
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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.