Finding the Fourth Proportional to 151,988.56, 209,748.36 and 84,924.88
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Solution
The fourth proportional to 151,988.56, 209,748.36 and 84,924.88 is: 117,198.65
Step by Step Solution
- Step 1: Write the proportion equation
151,988.56 : 209,748.36 = 84,924.88 : x - Step 2: Convert to fraction form
151,988.56/209,748.36 = 84,924.88/x - Step 3: Cross multiply
151,988.56x = 209,748.36 × 84,924.88 - Step 4: Simplify right side
151,988.56x = 17,812,854,303.20 - Step 5: Solve for x
x = 17,812,854,303.20/151,988.56 - Step 6: Final answer
x = 117,198.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.