Finding the Fourth Proportional to 262,472.93, 393,772.11 and 84,980.13
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Solution
The fourth proportional to 262,472.93, 393,772.11 and 84,980.13 is: 127,490.50
Step by Step Solution
- Step 1: Write the proportion equation
262,472.93 : 393,772.11 = 84,980.13 : x - Step 2: Convert to fraction form
262,472.93/393,772.11 = 84,980.13/x - Step 3: Cross multiply
262,472.93x = 393,772.11 × 84,980.13 - Step 4: Simplify right side
262,472.93x = 33,462,805,098.17 - Step 5: Solve for x
x = 33,462,805,098.17/262,472.93 - Step 6: Final answer
x = 127,490.50
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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.