Finding the Fourth Proportional to 272,665.65, 376,344.91 and 157,925.81
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Solution
The fourth proportional to 272,665.65, 376,344.91 and 157,925.81 is: 217,976.03
Step by Step Solution
- Step 1: Write the proportion equation
272,665.65 : 376,344.91 = 157,925.81 : x - Step 2: Convert to fraction form
272,665.65/376,344.91 = 157,925.81/x - Step 3: Cross multiply
272,665.65x = 376,344.91 × 157,925.81 - Step 4: Simplify right side
272,665.65x = 59,434,574,751.13 - Step 5: Solve for x
x = 59,434,574,751.13/272,665.65 - Step 6: Final answer
x = 217,976.03
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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.