Finding the Fourth Proportional to 186,541.76, 257,427.24 and 101,658.62
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Solution
The fourth proportional to 186,541.76, 257,427.24 and 101,658.62 is: 140,288.68
Step by Step Solution
- Step 1: Write the proportion equation
186,541.76 : 257,427.24 = 101,658.62 : x - Step 2: Convert to fraction form
186,541.76/257,427.24 = 101,658.62/x - Step 3: Cross multiply
186,541.76x = 257,427.24 × 101,658.62 - Step 4: Simplify right side
186,541.76x = 26,169,697,968.81 - Step 5: Solve for x
x = 26,169,697,968.81/186,541.76 - Step 6: Final answer
x = 140,288.68
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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.