Finding the Fourth Proportional to 146,381.99, 219,603.96 and 56,427.03
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Solution
The fourth proportional to 146,381.99, 219,603.96 and 56,427.03 is: 84,652.49
Step by Step Solution
- Step 1: Write the proportion equation
146,381.99 : 219,603.96 = 56,427.03 : x - Step 2: Convert to fraction form
146,381.99/219,603.96 = 56,427.03/x - Step 3: Cross multiply
146,381.99x = 219,603.96 × 56,427.03 - Step 4: Simplify right side
146,381.99x = 12,391,599,239.04 - Step 5: Solve for x
x = 12,391,599,239.04/146,381.99 - Step 6: Final answer
x = 84,652.49
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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.