Finding the Fourth Proportional to 408,800.66, 564,171.35 and 227,511.99
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Solution
The fourth proportional to 408,800.66, 564,171.35 and 227,511.99 is: 313,981.26
Step by Step Solution
- Step 1: Write the proportion equation
408,800.66 : 564,171.35 = 227,511.99 : x - Step 2: Convert to fraction form
408,800.66/564,171.35 = 227,511.99/x - Step 3: Cross multiply
408,800.66x = 564,171.35 × 227,511.99 - Step 4: Simplify right side
408,800.66x = 128,355,745,401.93 - Step 5: Solve for x
x = 128,355,745,401.93/408,800.66 - Step 6: Final answer
x = 313,981.26
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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.