Finding the Fourth Proportional to 291,423.44, 436,875.80 and 113,890.08
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Solution
The fourth proportional to 291,423.44, 436,875.80 and 113,890.08 is: 170,733.76
Step by Step Solution
- Step 1: Write the proportion equation
291,423.44 : 436,875.80 = 113,890.08 : x - Step 2: Convert to fraction form
291,423.44/436,875.80 = 113,890.08/x - Step 3: Cross multiply
291,423.44x = 436,875.80 × 113,890.08 - Step 4: Simplify right side
291,423.44x = 49,755,819,812.06 - Step 5: Solve for x
x = 49,755,819,812.06/291,423.44 - Step 6: Final answer
x = 170,733.76
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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.