Finding the Fourth Proportional to 186,702.84, 257,656.14 and 101,824.68
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Solution
The fourth proportional to 186,702.84, 257,656.14 and 101,824.68 is: 140,521.45
Step by Step Solution
- Step 1: Write the proportion equation
186,702.84 : 257,656.14 = 101,824.68 : x - Step 2: Convert to fraction form
186,702.84/257,656.14 = 101,824.68/x - Step 3: Cross multiply
186,702.84x = 257,656.14 × 101,824.68 - Step 4: Simplify right side
186,702.84x = 26,235,754,005.54 - Step 5: Solve for x
x = 26,235,754,005.54/186,702.84 - Step 6: Final answer
x = 140,521.45
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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.