Finding the Fourth Proportional to 253,139.99, 379,862.06 and 101,309.94
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Solution
The fourth proportional to 253,139.99, 379,862.06 and 101,309.94 is: 152,025.77
Step by Step Solution
- Step 1: Write the proportion equation
253,139.99 : 379,862.06 = 101,309.94 : x - Step 2: Convert to fraction form
253,139.99/379,862.06 = 101,309.94/x - Step 3: Cross multiply
253,139.99x = 379,862.06 × 101,309.94 - Step 4: Simplify right side
253,139.99x = 38,483,802,000.33 - Step 5: Solve for x
x = 38,483,802,000.33/253,139.99 - Step 6: Final answer
x = 152,025.77
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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.