Finding the Fourth Proportional to 223,963.08, 309,068.99 and 123,361.08
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Solution
The fourth proportional to 223,963.08, 309,068.99 and 123,361.08 is: 170,238.26
Step by Step Solution
- Step 1: Write the proportion equation
223,963.08 : 309,068.99 = 123,361.08 : x - Step 2: Convert to fraction form
223,963.08/309,068.99 = 123,361.08/x - Step 3: Cross multiply
223,963.08x = 309,068.99 × 123,361.08 - Step 4: Simplify right side
223,963.08x = 38,127,084,400.91 - Step 5: Solve for x
x = 38,127,084,400.91/223,963.08 - Step 6: Final answer
x = 170,238.26
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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.