Finding the Fourth Proportional to 392,298.99, 588,448.49 and 111,808.95
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Solution
The fourth proportional to 392,298.99, 588,448.49 and 111,808.95 is: 167,713.43
Step by Step Solution
- Step 1: Write the proportion equation
392,298.99 : 588,448.49 = 111,808.95 : x - Step 2: Convert to fraction form
392,298.99/588,448.49 = 111,808.95/x - Step 3: Cross multiply
392,298.99x = 588,448.49 × 111,808.95 - Step 4: Simplify right side
392,298.99x = 65,793,807,795.99 - Step 5: Solve for x
x = 65,793,807,795.99/392,298.99 - Step 6: Final answer
x = 167,713.43
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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.