Finding the Fourth Proportional to 453,036.70, 680,079.99 and 243,084.70
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Solution
The fourth proportional to 453,036.70, 680,079.99 and 243,084.70 is: 364,908.72
Step by Step Solution
- Step 1: Write the proportion equation
453,036.70 : 680,079.99 = 243,084.70 : x - Step 2: Convert to fraction form
453,036.70/680,079.99 = 243,084.70/x - Step 3: Cross multiply
453,036.70x = 680,079.99 × 243,084.70 - Step 4: Simplify right side
453,036.70x = 165,317,040,345.15 - Step 5: Solve for x
x = 165,317,040,345.15/453,036.70 - Step 6: Final answer
x = 364,908.72
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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.