Finding the Fourth Proportional to 326,347.14, 489,661.05 and 176,694.38
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Solution
The fourth proportional to 326,347.14, 489,661.05 and 176,694.38 is: 265,117.55
Step by Step Solution
- Step 1: Write the proportion equation
326,347.14 : 489,661.05 = 176,694.38 : x - Step 2: Convert to fraction form
326,347.14/489,661.05 = 176,694.38/x - Step 3: Cross multiply
326,347.14x = 489,661.05 × 176,694.38 - Step 4: Simplify right side
326,347.14x = 86,520,353,191.59 - Step 5: Solve for x
x = 86,520,353,191.59/326,347.14 - Step 6: Final answer
x = 265,117.55
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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.