Finding the Fourth Proportional to 440,462.99, 660,708.14 and 209,602.65
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Solution
The fourth proportional to 440,462.99, 660,708.14 and 209,602.65 is: 314,410.47
Step by Step Solution
- Step 1: Write the proportion equation
440,462.99 : 660,708.14 = 209,602.65 : x - Step 2: Convert to fraction form
440,462.99/660,708.14 = 209,602.65/x - Step 3: Cross multiply
440,462.99x = 660,708.14 × 209,602.65 - Step 4: Simplify right side
440,462.99x = 138,486,175,972.56 - Step 5: Solve for x
x = 138,486,175,972.56/440,462.99 - Step 6: Final answer
x = 314,410.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.