Finding the Fourth Proportional to 152,325.91, 210,202.28 and 84,340.99
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Solution
The fourth proportional to 152,325.91, 210,202.28 and 84,340.99 is: 116,386.42
Step by Step Solution
- Step 1: Write the proportion equation
152,325.91 : 210,202.28 = 84,340.99 : x - Step 2: Convert to fraction form
152,325.91/210,202.28 = 84,340.99/x - Step 3: Cross multiply
152,325.91x = 210,202.28 × 84,340.99 - Step 4: Simplify right side
152,325.91x = 17,728,667,764.53 - Step 5: Solve for x
x = 17,728,667,764.53/152,325.91 - Step 6: Final answer
x = 116,386.42
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1.5x scale
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.