Finding the Fourth Proportional to 250,390.08, 375,642.36 and 84,178.08
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Solution
The fourth proportional to 250,390.08, 375,642.36 and 84,178.08 is: 126,286.36
Step by Step Solution
- Step 1: Write the proportion equation
250,390.08 : 375,642.36 = 84,178.08 : x - Step 2: Convert to fraction form
250,390.08/375,642.36 = 84,178.08/x - Step 3: Cross multiply
250,390.08x = 375,642.36 × 84,178.08 - Step 4: Simplify right side
250,390.08x = 31,620,852,631.47 - Step 5: Solve for x
x = 31,620,852,631.47/250,390.08 - Step 6: Final answer
x = 126,286.36
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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.