Finding the Fourth Proportional to 317,318.40, 437,896.08 and 174,079.80
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Solution
The fourth proportional to 317,318.40, 437,896.08 and 174,079.80 is: 240,228.31
Step by Step Solution
- Step 1: Write the proportion equation
317,318.40 : 437,896.08 = 174,079.80 : x - Step 2: Convert to fraction form
317,318.40/437,896.08 = 174,079.80/x - Step 3: Cross multiply
317,318.40x = 437,896.08 × 174,079.80 - Step 4: Simplify right side
317,318.40x = 76,228,862,027.18 - Step 5: Solve for x
x = 76,228,862,027.18/317,318.40 - Step 6: Final answer
x = 240,228.31
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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.