Finding the Fourth Proportional to 657,229.20, 986,281.20 and 372,919.20
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Solution
The fourth proportional to 657,229.20, 986,281.20 and 372,919.20 is: 559,626.99
Step by Step Solution
- Step 1: Write the proportion equation
657,229.20 : 986,281.20 = 372,919.20 : x - Step 2: Convert to fraction form
657,229.20/986,281.20 = 372,919.20/x - Step 3: Cross multiply
657,229.20x = 986,281.20 × 372,919.20 - Step 4: Simplify right side
657,229.20x = 367,803,196,079.04 - Step 5: Solve for x
x = 367,803,196,079.04/657,229.20 - Step 6: Final answer
x = 559,626.99
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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.