Finding the Fourth Proportional to 510,377.50, 704,320.95 and 284,023.18
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Solution
The fourth proportional to 510,377.50, 704,320.95 and 284,023.18 is: 391,951.99
Step by Step Solution
- Step 1: Write the proportion equation
510,377.50 : 704,320.95 = 284,023.18 : x - Step 2: Convert to fraction form
510,377.50/704,320.95 = 284,023.18/x - Step 3: Cross multiply
510,377.50x = 704,320.95 × 284,023.18 - Step 4: Simplify right side
510,377.50x = 200,043,475,959.62 - Step 5: Solve for x
x = 200,043,475,959.62/510,377.50 - Step 6: Final answer
x = 391,951.99
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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.