Finding the Fourth Proportional to 339,112.70, 508,750.05 and 102,457.70
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Solution
The fourth proportional to 339,112.70, 508,750.05 and 102,457.70 is: 153,711.02
Step by Step Solution
- Step 1: Write the proportion equation
339,112.70 : 508,750.05 = 102,457.70 : x - Step 2: Convert to fraction form
339,112.70/508,750.05 = 102,457.70/x - Step 3: Cross multiply
339,112.70x = 508,750.05 × 102,457.70 - Step 4: Simplify right side
339,112.70x = 52,125,359,997.89 - Step 5: Solve for x
x = 52,125,359,997.89/339,112.70 - Step 6: Final answer
x = 153,711.02
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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.