Finding the Fourth Proportional to 355,847.90, 533,599.05 and 197,908.70
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Solution
The fourth proportional to 355,847.90, 533,599.05 and 197,908.70 is: 296,766.95
Step by Step Solution
- Step 1: Write the proportion equation
355,847.90 : 533,599.05 = 197,908.70 : x - Step 2: Convert to fraction form
355,847.90/533,599.05 = 197,908.70/x - Step 3: Cross multiply
355,847.90x = 533,599.05 × 197,908.70 - Step 4: Simplify right side
355,847.90x = 105,603,894,306.74 - Step 5: Solve for x
x = 105,603,894,306.74/355,847.90 - Step 6: Final answer
x = 296,766.95
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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.