Finding the Fourth Proportional to 521,135.18, 781,733.74 and 201,289.46
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Solution
The fourth proportional to 521,135.18, 781,733.74 and 201,289.46 is: 301,946.15
Step by Step Solution
- Step 1: Write the proportion equation
521,135.18 : 781,733.74 = 201,289.46 : x - Step 2: Convert to fraction form
521,135.18/781,733.74 = 201,289.46/x - Step 3: Cross multiply
521,135.18x = 781,733.74 × 201,289.46 - Step 4: Simplify right side
521,135.18x = 157,354,762,388.38 - Step 5: Solve for x
x = 157,354,762,388.38/521,135.18 - Step 6: Final answer
x = 301,946.15
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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.