Finding the Fourth Proportional to 152,494.43, 210,439.28 and 84,509.99
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Solution
The fourth proportional to 152,494.43, 210,439.28 and 84,509.99 is: 116,622.11
Step by Step Solution
- Step 1: Write the proportion equation
152,494.43 : 210,439.28 = 84,509.99 : x - Step 2: Convert to fraction form
152,494.43/210,439.28 = 84,509.99/x - Step 3: Cross multiply
152,494.43x = 210,439.28 × 84,509.99 - Step 4: Simplify right side
152,494.43x = 17,784,221,448.41 - Step 5: Solve for x
x = 17,784,221,448.41/152,494.43 - Step 6: Final answer
x = 116,622.11
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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.