Finding the Fourth Proportional to 185,304.93, 255,721.02 and 100,421.99
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Solution
The fourth proportional to 185,304.93, 255,721.02 and 100,421.99 is: 138,582.47
Step by Step Solution
- Step 1: Write the proportion equation
185,304.93 : 255,721.02 = 100,421.99 : x - Step 2: Convert to fraction form
185,304.93/255,721.02 = 100,421.99/x - Step 3: Cross multiply
185,304.93x = 255,721.02 × 100,421.99 - Step 4: Simplify right side
185,304.93x = 25,680,015,302.74 - Step 5: Solve for x
x = 25,680,015,302.74/185,304.93 - Step 6: Final answer
x = 138,582.47
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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.