Finding the Fourth Proportional to 403,229.03, 556,451.67 and 221,937.08
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Solution
The fourth proportional to 403,229.03, 556,451.67 and 221,937.08 is: 306,270.75
Step by Step Solution
- Step 1: Write the proportion equation
403,229.03 : 556,451.67 = 221,937.08 : x - Step 2: Convert to fraction form
403,229.03/556,451.67 = 221,937.08/x - Step 3: Cross multiply
403,229.03x = 556,451.67 × 221,937.08 - Step 4: Simplify right side
403,229.03x = 123,497,256,018.67 - Step 5: Solve for x
x = 123,497,256,018.67/403,229.03 - Step 6: Final answer
x = 306,270.75
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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.