Finding the Fourth Proportional to 418,237.02, 577,165.95 and 227,251.08
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Solution
The fourth proportional to 418,237.02, 577,165.95 and 227,251.08 is: 313,605.87
Step by Step Solution
- Step 1: Write the proportion equation
418,237.02 : 577,165.95 = 227,251.08 : x - Step 2: Convert to fraction form
418,237.02/577,165.95 = 227,251.08/x - Step 3: Cross multiply
418,237.02x = 577,165.95 × 227,251.08 - Step 4: Simplify right side
418,237.02x = 131,161,585,476.73 - Step 5: Solve for x
x = 131,161,585,476.73/418,237.02 - Step 6: Final answer
x = 313,605.87
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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.