Finding the Fourth Proportional to 418,340.67, 577,314.57 and 227,354.05
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Solution
The fourth proportional to 418,340.67, 577,314.57 and 227,354.05 is: 313,751.00
Step by Step Solution
- Step 1: Write the proportion equation
418,340.67 : 577,314.57 = 227,354.05 : x - Step 2: Convert to fraction form
418,340.67/577,314.57 = 227,354.05/x - Step 3: Cross multiply
418,340.67x = 577,314.57 × 227,354.05 - Step 4: Simplify right side
418,340.67x = 131,254,805,613.51 - Step 5: Solve for x
x = 131,254,805,613.51/418,340.67 - Step 6: Final answer
x = 313,751.00
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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.