Finding the Fourth Proportional to 293,676.70, 440,515.05 and 260,434.30
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Solution
The fourth proportional to 293,676.70, 440,515.05 and 260,434.30 is: 390,651.45
Step by Step Solution
- Step 1: Write the proportion equation
293,676.70 : 440,515.05 = 260,434.30 : x - Step 2: Convert to fraction form
293,676.70/440,515.05 = 260,434.30/x - Step 3: Cross multiply
293,676.70x = 440,515.05 × 260,434.30 - Step 4: Simplify right side
293,676.70x = 114,725,228,686.22 - Step 5: Solve for x
x = 114,725,228,686.22/293,676.70 - Step 6: Final answer
x = 390,651.45
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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.