Finding the Fourth Proportional to 326,148.84, 489,161.43 and 101,512.08
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Solution
The fourth proportional to 326,148.84, 489,161.43 and 101,512.08 is: 152,248.88
Step by Step Solution
- Step 1: Write the proportion equation
326,148.84 : 489,161.43 = 101,512.08 : x - Step 2: Convert to fraction form
326,148.84/489,161.43 = 101,512.08/x - Step 3: Cross multiply
326,148.84x = 489,161.43 × 101,512.08 - Step 4: Simplify right side
326,148.84x = 49,655,794,215.07 - Step 5: Solve for x
x = 49,655,794,215.07/326,148.84 - Step 6: Final answer
x = 152,248.88
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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.