Finding the Fourth Proportional to 403,752.27, 605,722.14 and 137,515.08
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Solution
The fourth proportional to 403,752.27, 605,722.14 and 137,515.08 is: 206,304.55
Step by Step Solution
- Step 1: Write the proportion equation
403,752.27 : 605,722.14 = 137,515.08 : x - Step 2: Convert to fraction form
403,752.27/605,722.14 = 137,515.08/x - Step 3: Cross multiply
403,752.27x = 605,722.14 × 137,515.08 - Step 4: Simplify right side
403,752.27x = 83,295,928,539.87 - Step 5: Solve for x
x = 83,295,928,539.87/403,752.27 - Step 6: Final answer
x = 206,304.55
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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.