Finding the Fourth Proportional to 124,192.81, 186,302.48 and 53,122.80
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Solution
The fourth proportional to 124,192.81, 186,302.48 and 53,122.80 is: 79,689.87
Step by Step Solution
- Step 1: Write the proportion equation
124,192.81 : 186,302.48 = 53,122.80 : x - Step 2: Convert to fraction form
124,192.81/186,302.48 = 53,122.80/x - Step 3: Cross multiply
124,192.81x = 186,302.48 × 53,122.80 - Step 4: Simplify right side
124,192.81x = 9,896,909,384.54 - Step 5: Solve for x
x = 9,896,909,384.54/124,192.81 - Step 6: Final answer
x = 79,689.87
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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.