Finding the Fourth Proportional to 487,495.32, 731,259.17 and 167,644.05
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Solution
The fourth proportional to 487,495.32, 731,259.17 and 167,644.05 is: 251,471.64
Step by Step Solution
- Step 1: Write the proportion equation
487,495.32 : 731,259.17 = 167,644.05 : x - Step 2: Convert to fraction form
487,495.32/731,259.17 = 167,644.05/x - Step 3: Cross multiply
487,495.32x = 731,259.17 × 167,644.05 - Step 4: Simplify right side
487,495.32x = 122,591,248,020.22 - Step 5: Solve for x
x = 122,591,248,020.22/487,495.32 - Step 6: Final answer
x = 251,471.64
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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.