Finding the Fourth Proportional to 420,713.98, 580,585.26 and 229,727.53
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Solution
The fourth proportional to 420,713.98, 580,585.26 and 229,727.53 is: 317,023.97
Step by Step Solution
- Step 1: Write the proportion equation
420,713.98 : 580,585.26 = 229,727.53 : x - Step 2: Convert to fraction form
420,713.98/580,585.26 = 229,727.53/x - Step 3: Cross multiply
420,713.98x = 580,585.26 × 229,727.53 - Step 4: Simplify right side
420,713.98x = 133,376,417,734.21 - Step 5: Solve for x
x = 133,376,417,734.21/420,713.98 - Step 6: Final answer
x = 317,023.97
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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.