Finding the Fourth Proportional to 470,356.36, 705,524.34 and 115,372.12
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Solution
The fourth proportional to 470,356.36, 705,524.34 and 115,372.12 is: 173,055.68
Step by Step Solution
- Step 1: Write the proportion equation
470,356.36 : 705,524.34 = 115,372.12 : x - Step 2: Convert to fraction form
470,356.36/705,524.34 = 115,372.12/x - Step 3: Cross multiply
470,356.36x = 705,524.34 × 115,372.12 - Step 4: Simplify right side
470,356.36x = 81,397,838,817.40 - Step 5: Solve for x
x = 81,397,838,817.40/470,356.36 - Step 6: Final answer
x = 173,055.68
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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.