Finding the Fourth Proportional to 418,214.43, 577,134.99 and 227,228.58
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Solution
The fourth proportional to 418,214.43, 577,134.99 and 227,228.58 is: 313,574.94
Step by Step Solution
- Step 1: Write the proportion equation
418,214.43 : 577,134.99 = 227,228.58 : x - Step 2: Convert to fraction form
418,214.43/577,134.99 = 227,228.58/x - Step 3: Cross multiply
418,214.43x = 577,134.99 × 227,228.58 - Step 4: Simplify right side
418,214.43x = 131,141,564,246.01 - Step 5: Solve for x
x = 131,141,564,246.01/418,214.43 - Step 6: Final answer
x = 313,574.94
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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.