Finding the Fourth Proportional to 272,441.14, 375,962.91 and 157,724.65
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Solution
The fourth proportional to 272,441.14, 375,962.91 and 157,724.65 is: 217,656.62
Step by Step Solution
- Step 1: Write the proportion equation
272,441.14 : 375,962.91 = 157,724.65 : x - Step 2: Convert to fraction form
272,441.14/375,962.91 = 157,724.65/x - Step 3: Cross multiply
272,441.14x = 375,962.91 × 157,724.65 - Step 4: Simplify right side
272,441.14x = 59,298,618,392.73 - Step 5: Solve for x
x = 59,298,618,392.73/272,441.14 - Step 6: Final answer
x = 217,656.62
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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.