Finding the Fourth Proportional to 653,490.24, 980,295.84 and 254,161.32
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Solution
The fourth proportional to 653,490.24, 980,295.84 and 254,161.32 is: 381,265.50
Step by Step Solution
- Step 1: Write the proportion equation
653,490.24 : 980,295.84 = 254,161.32 : x - Step 2: Convert to fraction form
653,490.24/980,295.84 = 254,161.32/x - Step 3: Cross multiply
653,490.24x = 980,295.84 × 254,161.32 - Step 4: Simplify right side
653,490.24x = 249,153,284,684.91 - Step 5: Solve for x
x = 249,153,284,684.91/653,490.24 - Step 6: Final answer
x = 381,265.50
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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.