Finding the Fourth Proportional to 152,621.77, 210,624.84 and 84,634.18
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Solution
The fourth proportional to 152,621.77, 210,624.84 and 84,634.18 is: 116,798.94
Step by Step Solution
- Step 1: Write the proportion equation
152,621.77 : 210,624.84 = 84,634.18 : x - Step 2: Convert to fraction form
152,621.77/210,624.84 = 84,634.18/x - Step 3: Cross multiply
152,621.77x = 210,624.84 × 84,634.18 - Step 4: Simplify right side
152,621.77x = 17,826,060,621.03 - Step 5: Solve for x
x = 17,826,060,621.03/152,621.77 - Step 6: Final answer
x = 116,798.94
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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.