Finding the Fourth Proportional to 381,763.53, 526,479.35 and 245,557.17
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Solution
The fourth proportional to 381,763.53, 526,479.35 and 245,557.17 is: 338,640.99
Step by Step Solution
- Step 1: Write the proportion equation
381,763.53 : 526,479.35 = 245,557.17 : x - Step 2: Convert to fraction form
381,763.53/526,479.35 = 245,557.17/x - Step 3: Cross multiply
381,763.53x = 526,479.35 × 245,557.17 - Step 4: Simplify right side
381,763.53x = 129,280,778,021.65 - Step 5: Solve for x
x = 129,280,778,021.65/381,763.53 - Step 6: Final answer
x = 338,640.99
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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.