Finding the Fourth Proportional to 223,936.58, 309,027.83 and 121,963.79
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Solution
The fourth proportional to 223,936.58, 309,027.83 and 121,963.79 is: 168,307.50
Step by Step Solution
- Step 1: Write the proportion equation
223,936.58 : 309,027.83 = 121,963.79 : x - Step 2: Convert to fraction form
223,936.58/309,027.83 = 121,963.79/x - Step 3: Cross multiply
223,936.58x = 309,027.83 × 121,963.79 - Step 4: Simplify right side
223,936.58x = 37,690,205,525.03 - Step 5: Solve for x
x = 37,690,205,525.03/223,936.58 - Step 6: Final answer
x = 168,307.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.