Finding the Fourth Proportional to 440,333.63, 607,660.40 and 239,129.63
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Solution
The fourth proportional to 440,333.63, 607,660.40 and 239,129.63 is: 329,998.88
Step by Step Solution
- Step 1: Write the proportion equation
440,333.63 : 607,660.40 = 239,129.63 : x - Step 2: Convert to fraction form
440,333.63/607,660.40 = 239,129.63/x - Step 3: Cross multiply
440,333.63x = 607,660.40 × 239,129.63 - Step 4: Simplify right side
440,333.63x = 145,309,604,177.17 - Step 5: Solve for x
x = 145,309,604,177.17/440,333.63 - Step 6: Final answer
x = 329,998.88
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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.