Finding the Fourth Proportional to 276,390.53, 413,921.43 and 157,702.05
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Solution
The fourth proportional to 276,390.53, 413,921.43 and 157,702.05 is: 236,174.00
Step by Step Solution
- Step 1: Write the proportion equation
276,390.53 : 413,921.43 = 157,702.05 : x - Step 2: Convert to fraction form
276,390.53/413,921.43 = 157,702.05/x - Step 3: Cross multiply
276,390.53x = 413,921.43 × 157,702.05 - Step 4: Simplify right side
276,390.53x = 65,276,257,261.42 - Step 5: Solve for x
x = 65,276,257,261.42/276,390.53 - Step 6: Final answer
x = 236,174.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.