Finding the Fourth Proportional to 99,888.13, 149,854.08 and 37,558.63
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Solution
The fourth proportional to 99,888.13, 149,854.08 and 37,558.63 is: 56,346.17
Step by Step Solution
- Step 1: Write the proportion equation
99,888.13 : 149,854.08 = 37,558.63 : x - Step 2: Convert to fraction form
99,888.13/149,854.08 = 37,558.63/x - Step 3: Cross multiply
99,888.13x = 149,854.08 × 37,558.63 - Step 4: Simplify right side
99,888.13x = 5,628,313,195.44 - Step 5: Solve for x
x = 5,628,313,195.44/99,888.13 - Step 6: Final answer
x = 56,346.17
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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.