Finding the Fourth Proportional to 165,547.32, 248,279.84 and 47,219.68
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Solution
The fourth proportional to 165,547.32, 248,279.84 and 47,219.68 is: 70,817.79
Step by Step Solution
- Step 1: Write the proportion equation
165,547.32 : 248,279.84 = 47,219.68 : x - Step 2: Convert to fraction form
165,547.32/248,279.84 = 47,219.68/x - Step 3: Cross multiply
165,547.32x = 248,279.84 × 47,219.68 - Step 4: Simplify right side
165,547.32x = 11,723,694,595.25 - Step 5: Solve for x
x = 11,723,694,595.25/165,547.32 - Step 6: Final answer
x = 70,817.79
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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.