Finding the Fourth Proportional to 420,554.66, 580,365.18 and 229,568.00
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Solution
The fourth proportional to 420,554.66, 580,365.18 and 229,568.00 is: 316,803.70
Step by Step Solution
- Step 1: Write the proportion equation
420,554.66 : 580,365.18 = 229,568.00 : x - Step 2: Convert to fraction form
420,554.66/580,365.18 = 229,568.00/x - Step 3: Cross multiply
420,554.66x = 580,365.18 × 229,568.00 - Step 4: Simplify right side
420,554.66x = 133,233,270,740.41 - Step 5: Solve for x
x = 133,233,270,740.41/420,554.66 - Step 6: Final answer
x = 316,803.70
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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.