Finding the Fourth Proportional to 291,251.30, 436,876.95 and 263,257.70
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Solution
The fourth proportional to 291,251.30, 436,876.95 and 263,257.70 is: 394,886.55
Step by Step Solution
- Step 1: Write the proportion equation
291,251.30 : 436,876.95 = 263,257.70 : x - Step 2: Convert to fraction form
291,251.30/436,876.95 = 263,257.70/x - Step 3: Cross multiply
291,251.30x = 436,876.95 × 263,257.70 - Step 4: Simplify right side
291,251.30x = 115,011,221,040.02 - Step 5: Solve for x
x = 115,011,221,040.02/291,251.30 - Step 6: Final answer
x = 394,886.55
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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.