Finding the Fourth Proportional to 296,141.97, 444,212.97 and 85,779.99
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Solution
The fourth proportional to 296,141.97, 444,212.97 and 85,779.99 is: 128,669.99
Step by Step Solution
- Step 1: Write the proportion equation
296,141.97 : 444,212.97 = 85,779.99 : x - Step 2: Convert to fraction form
296,141.97/444,212.97 = 85,779.99/x - Step 3: Cross multiply
296,141.97x = 444,212.97 × 85,779.99 - Step 4: Simplify right side
296,141.97x = 38,104,584,124.47 - Step 5: Solve for x
x = 38,104,584,124.47/296,141.97 - Step 6: Final answer
x = 128,669.99
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1.5x scale
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.