Finding the Fourth Proportional to 272,318.34, 375,772.99 and 157,574.10
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Solution
The fourth proportional to 272,318.34, 375,772.99 and 157,574.10 is: 217,437.03
Step by Step Solution
- Step 1: Write the proportion equation
272,318.34 : 375,772.99 = 157,574.10 : x - Step 2: Convert to fraction form
272,318.34/375,772.99 = 157,574.10/x - Step 3: Cross multiply
272,318.34x = 375,772.99 × 157,574.10 - Step 4: Simplify right side
272,318.34x = 59,212,090,703.56 - Step 5: Solve for x
x = 59,212,090,703.56/272,318.34 - Step 6: Final answer
x = 217,437.03
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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.