Finding the Fourth Proportional to 440,606.88, 608,041.20 and 239,402.88
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Solution
The fourth proportional to 440,606.88, 608,041.20 and 239,402.88 is: 330,377.99
Step by Step Solution
- Step 1: Write the proportion equation
440,606.88 : 608,041.20 = 239,402.88 : x - Step 2: Convert to fraction form
440,606.88/608,041.20 = 239,402.88/x - Step 3: Cross multiply
440,606.88x = 608,041.20 × 239,402.88 - Step 4: Simplify right side
440,606.88x = 145,566,814,438.66 - Step 5: Solve for x
x = 145,566,814,438.66/440,606.88 - Step 6: Final answer
x = 330,377.99
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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.