Finding the Fourth Proportional to 266,426.20, 366,919.74 and 260,620.12
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Solution
The fourth proportional to 266,426.20, 366,919.74 and 260,620.12 is: 358,923.66
Step by Step Solution
- Step 1: Write the proportion equation
266,426.20 : 366,919.74 = 260,620.12 : x - Step 2: Convert to fraction form
266,426.20/366,919.74 = 260,620.12/x - Step 3: Cross multiply
266,426.20x = 366,919.74 × 260,620.12 - Step 4: Simplify right side
266,426.20x = 95,626,666,669.17 - Step 5: Solve for x
x = 95,626,666,669.17/266,426.20 - Step 6: Final answer
x = 358,923.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.