Finding the Fourth Proportional to 285,240,195.99, 394,000,715.61 and 235,879,955.91
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Solution
The fourth proportional to 285,240,195.99, 394,000,715.61 and 235,879,955.91 is: 325,819,687.17
Step by Step Solution
- Step 1: Write the proportion equation
285,240,195.99 : 394,000,715.61 = 235,879,955.91 : x - Step 2: Convert to fraction form
285,240,195.99/394,000,715.61 = 235,879,955.91/x - Step 3: Cross multiply
285,240,195.99x = 394,000,715.61 × 235,879,955.91 - Step 4: Simplify right side
285,240,195.99x = 92,936,871,426,595,248 - Step 5: Solve for x
x = 92,936,871,426,595,248/285,240,195.99 - Step 6: Final answer
x = 325,819,687.17
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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.