Finding the Fourth Proportional to 283,525.70, 425,288.55 and 266,029.70
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Solution
The fourth proportional to 283,525.70, 425,288.55 and 266,029.70 is: 399,044.55
Step by Step Solution
- Step 1: Write the proportion equation
283,525.70 : 425,288.55 = 266,029.70 : x - Step 2: Convert to fraction form
283,525.70/425,288.55 = 266,029.70/x - Step 3: Cross multiply
283,525.70x = 425,288.55 × 266,029.70 - Step 4: Simplify right side
283,525.70x = 113,139,385,369.94 - Step 5: Solve for x
x = 113,139,385,369.94/283,525.70 - Step 6: Final answer
x = 399,044.55
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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.