Finding the Fourth Proportional to 955,072.19, 1,432,115.30 and 281,065.98
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Solution
The fourth proportional to 955,072.19, 1,432,115.30 and 281,065.98 is: 421,453.90
Step by Step Solution
- Step 1: Write the proportion equation
955,072.19 : 1,432,115.30 = 281,065.98 : x - Step 2: Convert to fraction form
955,072.19/1,432,115.30 = 281,065.98/x - Step 3: Cross multiply
955,072.19x = 1,432,115.30 × 281,065.98 - Step 4: Simplify right side
955,072.19x = 402,518,896,340.59 - Step 5: Solve for x
x = 402,518,896,340.59/955,072.19 - Step 6: Final answer
x = 421,453.90
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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.