Finding the Fourth Proportional to 261,751.84, 392,823.36 and 101,852.98
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Solution
The fourth proportional to 261,751.84, 392,823.36 and 101,852.98 is: 152,855.58
Step by Step Solution
- Step 1: Write the proportion equation
261,751.84 : 392,823.36 = 101,852.98 : x - Step 2: Convert to fraction form
261,751.84/392,823.36 = 101,852.98/x - Step 3: Cross multiply
261,751.84x = 392,823.36 × 101,852.98 - Step 4: Simplify right side
261,751.84x = 40,010,229,829.61 - Step 5: Solve for x
x = 40,010,229,829.61/261,751.84 - Step 6: Final answer
x = 152,855.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.