Finding the Fourth Proportional to 279,403.26, 385,576.41 and 152,079.75
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Solution
The fourth proportional to 279,403.26, 385,576.41 and 152,079.75 is: 209,870.01
Step by Step Solution
- Step 1: Write the proportion equation
279,403.26 : 385,576.41 = 152,079.75 : x - Step 2: Convert to fraction form
279,403.26/385,576.41 = 152,079.75/x - Step 3: Cross multiply
279,403.26x = 385,576.41 × 152,079.75 - Step 4: Simplify right side
279,403.26x = 58,638,364,038.70 - Step 5: Solve for x
x = 58,638,364,038.70/279,403.26 - Step 6: Final answer
x = 209,870.01
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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.