Finding the Fourth Proportional to 154,904.08, 231,306.86 and 122,955.70
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Solution
The fourth proportional to 154,904.08, 231,306.86 and 122,955.70 is: 183,600.70
Step by Step Solution
- Step 1: Write the proportion equation
154,904.08 : 231,306.86 = 122,955.70 : x - Step 2: Convert to fraction form
154,904.08/231,306.86 = 122,955.70/x - Step 3: Cross multiply
154,904.08x = 231,306.86 × 122,955.70 - Step 4: Simplify right side
154,904.08x = 28,440,496,886.10 - Step 5: Solve for x
x = 28,440,496,886.10/154,904.08 - Step 6: Final answer
x = 183,600.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.