Finding the Fourth Proportional to 211,756.08, 317,335.50 and 117,028.92
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Solution
The fourth proportional to 211,756.08, 317,335.50 and 117,028.92 is: 175,378.34
Step by Step Solution
- Step 1: Write the proportion equation
211,756.08 : 317,335.50 = 117,028.92 : x - Step 2: Convert to fraction form
211,756.08/317,335.50 = 117,028.92/x - Step 3: Cross multiply
211,756.08x = 317,335.50 × 117,028.92 - Step 4: Simplify right side
211,756.08x = 37,137,430,842.66 - Step 5: Solve for x
x = 37,137,430,842.66/211,756.08 - Step 6: Final answer
x = 175,378.34
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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.