Finding the Fourth Proportional to 152,425.87, 210,344.99 and 84,442.64
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Solution
The fourth proportional to 152,425.87, 210,344.99 and 84,442.64 is: 116,529.33
Step by Step Solution
- Step 1: Write the proportion equation
152,425.87 : 210,344.99 = 84,442.64 : x - Step 2: Convert to fraction form
152,425.87/210,344.99 = 84,442.64/x - Step 3: Cross multiply
152,425.87x = 210,344.99 × 84,442.64 - Step 4: Simplify right side
152,425.87x = 17,762,084,792.44 - Step 5: Solve for x
x = 17,762,084,792.44/152,425.87 - Step 6: Final answer
x = 116,529.33
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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.