Finding the Fourth Proportional to 303,226.30, 454,948.80 and 125,787.70
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Solution
The fourth proportional to 303,226.30, 454,948.80 and 125,787.70 is: 188,726.91
Step by Step Solution
- Step 1: Write the proportion equation
303,226.30 : 454,948.80 = 125,787.70 : x - Step 2: Convert to fraction form
303,226.30/454,948.80 = 125,787.70/x - Step 3: Cross multiply
303,226.30x = 454,948.80 × 125,787.70 - Step 4: Simplify right side
303,226.30x = 57,226,963,169.76 - Step 5: Solve for x
x = 57,226,963,169.76/303,226.30 - Step 6: Final answer
x = 188,726.91
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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.