Finding the Fourth Proportional to 186,322.51, 257,041.99 and 125,873.71
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Solution
The fourth proportional to 186,322.51, 257,041.99 and 125,873.71 is: 173,649.60
Step by Step Solution
- Step 1: Write the proportion equation
186,322.51 : 257,041.99 = 125,873.71 : x - Step 2: Convert to fraction form
186,322.51/257,041.99 = 125,873.71/x - Step 3: Cross multiply
186,322.51x = 257,041.99 × 125,873.71 - Step 4: Simplify right side
186,322.51x = 32,354,828,907.08 - Step 5: Solve for x
x = 32,354,828,907.08/186,322.51 - Step 6: Final answer
x = 173,649.60
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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.