Finding the Fourth Proportional to 381,862.07, 526,911.08 and 220,685.99
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Solution
The fourth proportional to 381,862.07, 526,911.08 and 220,685.99 is: 304,512.81
Step by Step Solution
- Step 1: Write the proportion equation
381,862.07 : 526,911.08 = 220,685.99 : x - Step 2: Convert to fraction form
381,862.07/526,911.08 = 220,685.99/x - Step 3: Cross multiply
381,862.07x = 526,911.08 × 220,685.99 - Step 4: Simplify right side
381,862.07x = 116,281,892,557.66 - Step 5: Solve for x
x = 116,281,892,557.66/381,862.07 - Step 6: Final answer
x = 304,512.81
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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.