Finding the Fourth Proportional to 159,279.36, 238,973.36 and 100,045.68
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Solution
The fourth proportional to 159,279.36, 238,973.36 and 100,045.68 is: 150,102.64
Step by Step Solution
- Step 1: Write the proportion equation
159,279.36 : 238,973.36 = 100,045.68 : x - Step 2: Convert to fraction form
159,279.36/238,973.36 = 100,045.68/x - Step 3: Cross multiply
159,279.36x = 238,973.36 × 100,045.68 - Step 4: Simplify right side
159,279.36x = 23,908,252,303.08 - Step 5: Solve for x
x = 23,908,252,303.08/159,279.36 - Step 6: Final answer
x = 150,102.64
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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.