Finding the Fourth Proportional to 186,206.99, 279,449.06 and 91,488.02
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Solution
The fourth proportional to 186,206.99, 279,449.06 and 91,488.02 is: 137,300.11
Step by Step Solution
- Step 1: Write the proportion equation
186,206.99 : 279,449.06 = 91,488.02 : x - Step 2: Convert to fraction form
186,206.99/279,449.06 = 91,488.02/x - Step 3: Cross multiply
186,206.99x = 279,449.06 × 91,488.02 - Step 4: Simplify right side
186,206.99x = 25,566,239,335.58 - Step 5: Solve for x
x = 25,566,239,335.58/186,206.99 - Step 6: Final answer
x = 137,300.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.