Finding the Fourth Proportional to 383,423.70, 575,135.55 and 243,801.30
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Solution
The fourth proportional to 383,423.70, 575,135.55 and 243,801.30 is: 365,701.95
Step by Step Solution
- Step 1: Write the proportion equation
383,423.70 : 575,135.55 = 243,801.30 : x - Step 2: Convert to fraction form
383,423.70/575,135.55 = 243,801.30/x - Step 3: Cross multiply
383,423.70x = 575,135.55 × 243,801.30 - Step 4: Simplify right side
383,423.70x = 140,218,794,766.22 - Step 5: Solve for x
x = 140,218,794,766.22/383,423.70 - Step 6: Final answer
x = 365,701.95
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1.5x scale
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.