Finding the Fourth Proportional to 186,542.79, 257,421.54 and 101,658.03
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Solution
The fourth proportional to 186,542.79, 257,421.54 and 101,658.03 is: 140,283.99
Step by Step Solution
- Step 1: Write the proportion equation
186,542.79 : 257,421.54 = 101,658.03 : x - Step 2: Convert to fraction form
186,542.79/257,421.54 = 101,658.03/x - Step 3: Cross multiply
186,542.79x = 257,421.54 × 101,658.03 - Step 4: Simplify right side
186,542.79x = 26,168,966,635.97 - Step 5: Solve for x
x = 26,168,966,635.97/186,542.79 - Step 6: Final answer
x = 140,283.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.