Finding the Fourth Proportional to 106,305.37, 159,461.72 and 56,317.84
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Solution
The fourth proportional to 106,305.37, 159,461.72 and 56,317.84 is: 84,478.70
Step by Step Solution
- Step 1: Write the proportion equation
106,305.37 : 159,461.72 = 56,317.84 : x - Step 2: Convert to fraction form
106,305.37/159,461.72 = 56,317.84/x - Step 3: Cross multiply
106,305.37x = 159,461.72 × 56,317.84 - Step 4: Simplify right side
106,305.37x = 8,980,539,633.08 - Step 5: Solve for x
x = 8,980,539,633.08/106,305.37 - Step 6: Final answer
x = 84,478.70
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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.