Finding the Fourth Proportional to 561,253.32, 841,879.98 and 206,113.68
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Solution
The fourth proportional to 561,253.32, 841,879.98 and 206,113.68 is: 309,170.52
Step by Step Solution
- Step 1: Write the proportion equation
561,253.32 : 841,879.98 = 206,113.68 : x - Step 2: Convert to fraction form
561,253.32/841,879.98 = 206,113.68/x - Step 3: Cross multiply
561,253.32x = 841,879.98 × 206,113.68 - Step 4: Simplify right side
561,253.32x = 173,522,980,796.13 - Step 5: Solve for x
x = 173,522,980,796.13/561,253.32 - Step 6: Final answer
x = 309,170.52
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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.