Finding the Fourth Proportional to 539,207.70, 809,135.55 and 223,631.70
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Solution
The fourth proportional to 539,207.70, 809,135.55 and 223,631.70 is: 335,581.93
Step by Step Solution
- Step 1: Write the proportion equation
539,207.70 : 809,135.55 = 223,631.70 : x - Step 2: Convert to fraction form
539,207.70/809,135.55 = 223,631.70/x - Step 3: Cross multiply
539,207.70x = 809,135.55 × 223,631.70 - Step 4: Simplify right side
539,207.70x = 180,948,358,576.94 - Step 5: Solve for x
x = 180,948,358,576.94/539,207.70 - Step 6: Final answer
x = 335,581.93
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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.