Finding the Fourth Proportional to 272,203.08, 375,640.38 and 157,497.36
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Solution
The fourth proportional to 272,203.08, 375,640.38 and 157,497.36 is: 217,346.43
Step by Step Solution
- Step 1: Write the proportion equation
272,203.08 : 375,640.38 = 157,497.36 : x - Step 2: Convert to fraction form
272,203.08/375,640.38 = 157,497.36/x - Step 3: Cross multiply
272,203.08x = 375,640.38 × 157,497.36 - Step 4: Simplify right side
272,203.08x = 59,162,368,159.40 - Step 5: Solve for x
x = 59,162,368,159.40/272,203.08 - Step 6: Final answer
x = 217,346.43
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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.