Finding the Fourth Proportional to 560,246.08, 840,368.64 and 205,287.88
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Solution
The fourth proportional to 560,246.08, 840,368.64 and 205,287.88 is: 307,931.64
Step by Step Solution
- Step 1: Write the proportion equation
560,246.08 : 840,368.64 = 205,287.88 : x - Step 2: Convert to fraction form
560,246.08/840,368.64 = 205,287.88/x - Step 3: Cross multiply
560,246.08x = 840,368.64 × 205,287.88 - Step 4: Simplify right side
560,246.08x = 172,517,496,524.08 - Step 5: Solve for x
x = 172,517,496,524.08/560,246.08 - Step 6: Final answer
x = 307,931.64
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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.