Finding the Fourth Proportional to 510,191.29, 704,070.46 and 280,774.99
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Solution
The fourth proportional to 510,191.29, 704,070.46 and 280,774.99 is: 387,473.05
Step by Step Solution
- Step 1: Write the proportion equation
510,191.29 : 704,070.46 = 280,774.99 : x - Step 2: Convert to fraction form
510,191.29/704,070.46 = 280,774.99/x - Step 3: Cross multiply
510,191.29x = 704,070.46 × 280,774.99 - Step 4: Simplify right side
510,191.29x = 197,685,376,365.80 - Step 5: Solve for x
x = 197,685,376,365.80/510,191.29 - Step 6: Final answer
x = 387,473.05
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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.