Finding the Fourth Proportional to 383,565.70, 575,407.68 and 130,787.08
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Solution
The fourth proportional to 383,565.70, 575,407.68 and 130,787.08 is: 196,200.78
Step by Step Solution
- Step 1: Write the proportion equation
383,565.70 : 575,407.68 = 130,787.08 : x - Step 2: Convert to fraction form
383,565.70/575,407.68 = 130,787.08/x - Step 3: Cross multiply
383,565.70x = 575,407.68 × 130,787.08 - Step 4: Simplify right side
383,565.70x = 75,255,890,276.77 - Step 5: Solve for x
x = 75,255,890,276.77/383,565.70 - Step 6: Final answer
x = 196,200.78
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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.