Finding the Fourth Proportional to 84,359.16, 126,497.03 and 28,179.99
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Solution
The fourth proportional to 84,359.16, 126,497.03 and 28,179.99 is: 42,256.05
Step by Step Solution
- Step 1: Write the proportion equation
84,359.16 : 126,497.03 = 28,179.99 : x - Step 2: Convert to fraction form
84,359.16/126,497.03 = 28,179.99/x - Step 3: Cross multiply
84,359.16x = 126,497.03 × 28,179.99 - Step 4: Simplify right side
84,359.16x = 3,564,684,899.53 - Step 5: Solve for x
x = 3,564,684,899.53/84,359.16 - Step 6: Final answer
x = 42,256.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.