Finding the Fourth Proportional to 408,595.64, 563,852.22 and 227,308.28
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Solution
The fourth proportional to 408,595.64, 563,852.22 and 227,308.28 is: 313,679.99
Step by Step Solution
- Step 1: Write the proportion equation
408,595.64 : 563,852.22 = 227,308.28 : x - Step 2: Convert to fraction form
408,595.64/563,852.22 = 227,308.28/x - Step 3: Cross multiply
408,595.64x = 563,852.22 × 227,308.28 - Step 4: Simplify right side
408,595.64x = 128,168,278,302.38 - Step 5: Solve for x
x = 128,168,278,302.38/408,595.64 - Step 6: Final answer
x = 313,679.99
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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.