Finding the Fourth Proportional to 440,595.28, 608,023.06 and 239,391.28
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Solution
The fourth proportional to 440,595.28, 608,023.06 and 239,391.28 is: 330,360.82
Step by Step Solution
- Step 1: Write the proportion equation
440,595.28 : 608,023.06 = 239,391.28 : x - Step 2: Convert to fraction form
440,595.28/608,023.06 = 239,391.28/x - Step 3: Cross multiply
440,595.28x = 608,023.06 × 239,391.28 - Step 4: Simplify right side
440,595.28x = 145,555,418,602.92 - Step 5: Solve for x
x = 145,555,418,602.92/440,595.28 - Step 6: Final answer
x = 330,360.82
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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.