Finding the Fourth Proportional to 409,310.16, 564,864.98 and 228,021.99
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Solution
The fourth proportional to 409,310.16, 564,864.98 and 228,021.99 is: 314,679.79
Step by Step Solution
- Step 1: Write the proportion equation
409,310.16 : 564,864.98 = 228,021.99 : x - Step 2: Convert to fraction form
409,310.16/564,864.98 = 228,021.99/x - Step 3: Cross multiply
409,310.16x = 564,864.98 × 228,021.99 - Step 4: Simplify right side
409,310.16x = 128,801,635,680.80 - Step 5: Solve for x
x = 128,801,635,680.80/409,310.16 - Step 6: Final answer
x = 314,679.79
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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.