Finding the Fourth Proportional to 186,437.95, 257,284.38 and 101,555.02
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Solution
The fourth proportional to 186,437.95, 257,284.38 and 101,555.02 is: 140,145.92
Step by Step Solution
- Step 1: Write the proportion equation
186,437.95 : 257,284.38 = 101,555.02 : x - Step 2: Convert to fraction form
186,437.95/257,284.38 = 101,555.02/x - Step 3: Cross multiply
186,437.95x = 257,284.38 × 101,555.02 - Step 4: Simplify right side
186,437.95x = 26,128,518,754.93 - Step 5: Solve for x
x = 26,128,518,754.93/186,437.95 - Step 6: Final answer
x = 140,145.92
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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.