Finding the Fourth Proportional to 287,961.14, 432,072.99 and 147,818.26
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Solution
The fourth proportional to 287,961.14, 432,072.99 and 147,818.26 is: 221,794.78
Step by Step Solution
- Step 1: Write the proportion equation
287,961.14 : 432,072.99 = 147,818.26 : x - Step 2: Convert to fraction form
287,961.14/432,072.99 = 147,818.26/x - Step 3: Cross multiply
287,961.14x = 432,072.99 × 147,818.26 - Step 4: Simplify right side
287,961.14x = 63,868,277,574.80 - Step 5: Solve for x
x = 63,868,277,574.80/287,961.14 - Step 6: Final answer
x = 221,794.78
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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.