Finding the Fourth Proportional to 286,543.62, 429,660.99 and 219,819.06
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Solution
The fourth proportional to 286,543.62, 429,660.99 and 219,819.06 is: 329,610.11
Step by Step Solution
- Step 1: Write the proportion equation
286,543.62 : 429,660.99 = 219,819.06 : x - Step 2: Convert to fraction form
286,543.62/429,660.99 = 219,819.06/x - Step 3: Cross multiply
286,543.62x = 429,660.99 × 219,819.06 - Step 4: Simplify right side
286,543.62x = 94,447,674,940.47 - Step 5: Solve for x
x = 94,447,674,940.47/286,543.62 - Step 6: Final answer
x = 329,610.11
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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.