Finding the Fourth Proportional to 520,688.66, 781,102.85 and 183,650.09
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Solution
The fourth proportional to 520,688.66, 781,102.85 and 183,650.09 is: 275,499.77
Step by Step Solution
- Step 1: Write the proportion equation
520,688.66 : 781,102.85 = 183,650.09 : x - Step 2: Convert to fraction form
520,688.66/781,102.85 = 183,650.09/x - Step 3: Cross multiply
520,688.66x = 781,102.85 × 183,650.09 - Step 4: Simplify right side
520,688.66x = 143,449,603,877.99 - Step 5: Solve for x
x = 143,449,603,877.99/520,688.66 - Step 6: Final answer
x = 275,499.77
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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.