Finding the Fourth Proportional to 280,847.24, 387,318.26 and 233,024.84
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Solution
The fourth proportional to 280,847.24, 387,318.26 and 233,024.84 is: 321,366.08
Step by Step Solution
- Step 1: Write the proportion equation
280,847.24 : 387,318.26 = 233,024.84 : x - Step 2: Convert to fraction form
280,847.24/387,318.26 = 233,024.84/x - Step 3: Cross multiply
280,847.24x = 387,318.26 × 233,024.84 - Step 4: Simplify right side
280,847.24x = 90,254,775,565.58 - Step 5: Solve for x
x = 90,254,775,565.58/280,847.24 - Step 6: Final answer
x = 321,366.08
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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.