Finding the Fourth Proportional to 524,911.20, 787,366.80 and 169,961.10
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Solution
The fourth proportional to 524,911.20, 787,366.80 and 169,961.10 is: 254,941.65
Step by Step Solution
- Step 1: Write the proportion equation
524,911.20 : 787,366.80 = 169,961.10 : x - Step 2: Convert to fraction form
524,911.20/787,366.80 = 169,961.10/x - Step 3: Cross multiply
524,911.20x = 787,366.80 × 169,961.10 - Step 4: Simplify right side
524,911.20x = 133,821,727,431.48 - Step 5: Solve for x
x = 133,821,727,431.48/524,911.20 - Step 6: Final answer
x = 254,941.65
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Similar ratio
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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.