Finding the Fourth Proportional to 266,417.70, 399,626.55 and 192,059.70
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Solution
The fourth proportional to 266,417.70, 399,626.55 and 192,059.70 is: 288,089.55
Step by Step Solution
- Step 1: Write the proportion equation
266,417.70 : 399,626.55 = 192,059.70 : x - Step 2: Convert to fraction form
266,417.70/399,626.55 = 192,059.70/x - Step 3: Cross multiply
266,417.70x = 399,626.55 × 192,059.70 - Step 4: Simplify right side
266,417.70x = 76,752,155,305.04 - Step 5: Solve for x
x = 76,752,155,305.04/266,417.70 - Step 6: Final answer
x = 288,089.55
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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.