Finding the Fourth Proportional to 353,454.84, 487,753.08 and 192,310.53
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Solution
The fourth proportional to 353,454.84, 487,753.08 and 192,310.53 is: 265,380.59
Step by Step Solution
- Step 1: Write the proportion equation
353,454.84 : 487,753.08 = 192,310.53 : x - Step 2: Convert to fraction form
353,454.84/487,753.08 = 192,310.53/x - Step 3: Cross multiply
353,454.84x = 487,753.08 × 192,310.53 - Step 4: Simplify right side
353,454.84x = 93,800,053,323.93 - Step 5: Solve for x
x = 93,800,053,323.93/353,454.84 - Step 6: Final answer
x = 265,380.59
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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.