Finding the Fourth Proportional to 503,109.70, 755,539.35 and 266,913.70
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Solution
The fourth proportional to 503,109.70, 755,539.35 and 266,913.70 is: 400,834.66
Step by Step Solution
- Step 1: Write the proportion equation
503,109.70 : 755,539.35 = 266,913.70 : x - Step 2: Convert to fraction form
503,109.70/755,539.35 = 266,913.70/x - Step 3: Cross multiply
503,109.70x = 755,539.35 × 266,913.70 - Step 4: Simplify right side
503,109.70x = 201,663,803,404.10 - Step 5: Solve for x
x = 201,663,803,404.10/503,109.70 - Step 6: Final answer
x = 400,834.66
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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.