Finding the Fourth Proportional to 291,227.80, 436,841.70 and 104,171.80
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Solution
The fourth proportional to 291,227.80, 436,841.70 and 104,171.80 is: 156,257.70
Step by Step Solution
- Step 1: Write the proportion equation
291,227.80 : 436,841.70 = 104,171.80 : x - Step 2: Convert to fraction form
291,227.80/436,841.70 = 104,171.80/x - Step 3: Cross multiply
291,227.80x = 436,841.70 × 104,171.80 - Step 4: Simplify right side
291,227.80x = 45,506,586,204.06 - Step 5: Solve for x
x = 45,506,586,204.06/291,227.80 - Step 6: Final answer
x = 156,257.70
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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.