Finding the Fourth Proportional to 211,488.52, 317,247.36 and 61,730.05
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Solution
The fourth proportional to 211,488.52, 317,247.36 and 61,730.05 is: 92,599.33
Step by Step Solution
- Step 1: Write the proportion equation
211,488.52 : 317,247.36 = 61,730.05 : x - Step 2: Convert to fraction form
211,488.52/317,247.36 = 61,730.05/x - Step 3: Cross multiply
211,488.52x = 317,247.36 × 61,730.05 - Step 4: Simplify right side
211,488.52x = 19,583,695,395.17 - Step 5: Solve for x
x = 19,583,695,395.17/211,488.52 - Step 6: Final answer
x = 92,599.33
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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.