Finding the Fourth Proportional to 186,542.08, 257,420.48 and 101,657.28
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Solution
The fourth proportional to 186,542.08, 257,420.48 and 101,657.28 is: 140,282.91
Step by Step Solution
- Step 1: Write the proportion equation
186,542.08 : 257,420.48 = 101,657.28 : x - Step 2: Convert to fraction form
186,542.08/257,420.48 = 101,657.28/x - Step 3: Cross multiply
186,542.08x = 257,420.48 × 101,657.28 - Step 4: Simplify right side
186,542.08x = 26,168,665,813.09 - Step 5: Solve for x
x = 26,168,665,813.09/186,542.08 - Step 6: Final answer
x = 140,282.91
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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.