Finding the Fourth Proportional to 539,472.70, 809,533.05 and 223,896.70
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Solution
The fourth proportional to 539,472.70, 809,533.05 and 223,896.70 is: 335,979.52
Step by Step Solution
- Step 1: Write the proportion equation
539,472.70 : 809,533.05 = 223,896.70 : x - Step 2: Convert to fraction form
539,472.70/809,533.05 = 223,896.70/x - Step 3: Cross multiply
539,472.70x = 809,533.05 × 223,896.70 - Step 4: Simplify right side
539,472.70x = 181,251,778,435.94 - Step 5: Solve for x
x = 181,251,778,435.94/539,472.70 - Step 6: Final answer
x = 335,979.52
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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.