Finding the Fourth Proportional to 605,135.72, 907,700.81 and 288,633.08
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Solution
The fourth proportional to 605,135.72, 907,700.81 and 288,633.08 is: 432,948.29
Step by Step Solution
- Step 1: Write the proportion equation
605,135.72 : 907,700.81 = 288,633.08 : x - Step 2: Convert to fraction form
605,135.72/907,700.81 = 288,633.08/x - Step 3: Cross multiply
605,135.72x = 907,700.81 × 288,633.08 - Step 4: Simplify right side
605,135.72x = 261,992,474,527.13 - Step 5: Solve for x
x = 261,992,474,527.13/605,135.72 - Step 6: Final answer
x = 432,948.29
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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.