Finding the Fourth Proportional to 205,898.60, 284,126.28 and 115,239.08
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Solution
The fourth proportional to 205,898.60, 284,126.28 and 115,239.08 is: 159,022.21
Step by Step Solution
- Step 1: Write the proportion equation
205,898.60 : 284,126.28 = 115,239.08 : x - Step 2: Convert to fraction form
205,898.60/284,126.28 = 115,239.08/x - Step 3: Cross multiply
205,898.60x = 284,126.28 × 115,239.08 - Step 4: Simplify right side
205,898.60x = 32,742,451,111.02 - Step 5: Solve for x
x = 32,742,451,111.02/205,898.60 - Step 6: Final answer
x = 159,022.21
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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.