Finding the Fourth Proportional to 440,653.13, 608,110.31 and 239,462.09
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Solution
The fourth proportional to 440,653.13, 608,110.31 and 239,462.09 is: 330,462.57
Step by Step Solution
- Step 1: Write the proportion equation
440,653.13 : 608,110.31 = 239,462.09 : x - Step 2: Convert to fraction form
440,653.13/608,110.31 = 239,462.09/x - Step 3: Cross multiply
440,653.13x = 608,110.31 × 239,462.09 - Step 4: Simplify right side
440,653.13x = 145,619,365,783.15 - Step 5: Solve for x
x = 145,619,365,783.15/440,653.13 - Step 6: Final answer
x = 330,462.57
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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.