Finding the Fourth Proportional to 510,108.08, 703,930.20 and 283,748.72
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Solution
The fourth proportional to 510,108.08, 703,930.20 and 283,748.72 is: 391,562.69
Step by Step Solution
- Step 1: Write the proportion equation
510,108.08 : 703,930.20 = 283,748.72 : x - Step 2: Convert to fraction form
510,108.08/703,930.20 = 283,748.72/x - Step 3: Cross multiply
510,108.08x = 703,930.20 × 283,748.72 - Step 4: Simplify right side
510,108.08x = 199,739,293,219.34 - Step 5: Solve for x
x = 199,739,293,219.34/510,108.08 - Step 6: Final answer
x = 391,562.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.