Finding the Fourth Proportional to 266,423.20, 366,915.60 and 260,617.12
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Solution
The fourth proportional to 266,423.20, 366,915.60 and 260,617.12 is: 358,919.52
Step by Step Solution
- Step 1: Write the proportion equation
266,423.20 : 366,915.60 = 260,617.12 : x - Step 2: Convert to fraction form
266,423.20/366,915.60 = 260,617.12/x - Step 3: Cross multiply
266,423.20x = 366,915.60 × 260,617.12 - Step 4: Simplify right side
266,423.20x = 95,624,486,955.07 - Step 5: Solve for x
x = 95,624,486,955.07/266,423.20 - Step 6: Final answer
x = 358,919.52
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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.