Finding the Fourth Proportional to 239,217.30, 358,825.95 and 106,357.05
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Solution
The fourth proportional to 239,217.30, 358,825.95 and 106,357.05 is: 159,535.58
Step by Step Solution
- Step 1: Write the proportion equation
239,217.30 : 358,825.95 = 106,357.05 : x - Step 2: Convert to fraction form
239,217.30/358,825.95 = 106,357.05/x - Step 3: Cross multiply
239,217.30x = 358,825.95 × 106,357.05 - Step 4: Simplify right side
239,217.30x = 38,163,669,505.45 - Step 5: Solve for x
x = 38,163,669,505.45/239,217.30 - Step 6: Final answer
x = 159,535.58
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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.