Finding the Fourth Proportional to 152,318.06, 210,202.97 and 84,340.99
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Solution
The fourth proportional to 152,318.06, 210,202.97 and 84,340.99 is: 116,392.81
Step by Step Solution
- Step 1: Write the proportion equation
152,318.06 : 210,202.97 = 84,340.99 : x - Step 2: Convert to fraction form
152,318.06/210,202.97 = 84,340.99/x - Step 3: Cross multiply
152,318.06x = 210,202.97 × 84,340.99 - Step 4: Simplify right side
152,318.06x = 17,728,726,431.79 - Step 5: Solve for x
x = 17,728,726,431.79/152,318.06 - Step 6: Final answer
x = 116,392.81
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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.