Finding the Fourth Proportional to 270,689.49, 373,465.62 and 157,490.37
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Solution
The fourth proportional to 270,689.49, 373,465.62 and 157,490.37 is: 217,286.75
Step by Step Solution
- Step 1: Write the proportion equation
270,689.49 : 373,465.62 = 157,490.37 : x - Step 2: Convert to fraction form
270,689.49/373,465.62 = 157,490.37/x - Step 3: Cross multiply
270,689.49x = 373,465.62 × 157,490.37 - Step 4: Simplify right side
270,689.49x = 58,817,238,676.08 - Step 5: Solve for x
x = 58,817,238,676.08/270,689.49 - Step 6: Final answer
x = 217,286.75
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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.