Finding the Fourth Proportional to 451,778.70, 623,449.47 and 260,787.99
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Solution
The fourth proportional to 451,778.70, 623,449.47 and 260,787.99 is: 359,884.46
Step by Step Solution
- Step 1: Write the proportion equation
451,778.70 : 623,449.47 = 260,787.99 : x - Step 2: Convert to fraction form
451,778.70/623,449.47 = 260,787.99/x - Step 3: Cross multiply
451,778.70x = 623,449.47 × 260,787.99 - Step 4: Simplify right side
451,778.70x = 162,588,134,147.87 - Step 5: Solve for x
x = 162,588,134,147.87/451,778.70 - Step 6: Final answer
x = 359,884.46
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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.