Finding the Fourth Proportional to 186,526.69, 257,406.86 and 101,643.75
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Solution
The fourth proportional to 186,526.69, 257,406.86 and 101,643.75 is: 140,268.39
Step by Step Solution
- Step 1: Write the proportion equation
186,526.69 : 257,406.86 = 101,643.75 : x - Step 2: Convert to fraction form
186,526.69/257,406.86 = 101,643.75/x - Step 3: Cross multiply
186,526.69x = 257,406.86 × 101,643.75 - Step 4: Simplify right side
186,526.69x = 26,163,798,780.23 - Step 5: Solve for x
x = 26,163,798,780.23/186,526.69 - Step 6: Final answer
x = 140,268.39
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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.