Finding the Fourth Proportional to 201,901.30, 302,851.95 and 68,737.30
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Solution
The fourth proportional to 201,901.30, 302,851.95 and 68,737.30 is: 103,105.95
Step by Step Solution
- Step 1: Write the proportion equation
201,901.30 : 302,851.95 = 68,737.30 : x - Step 2: Convert to fraction form
201,901.30/302,851.95 = 68,737.30/x - Step 3: Cross multiply
201,901.30x = 302,851.95 × 68,737.30 - Step 4: Simplify right side
201,901.30x = 20,817,225,342.74 - Step 5: Solve for x
x = 20,817,225,342.74/201,901.30 - Step 6: Final answer
x = 103,105.95
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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.