Finding the Fourth Proportional to 439,573.06, 659,187.06 and 155,202.94
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Solution
The fourth proportional to 439,573.06, 659,187.06 and 155,202.94 is: 232,743.49
Step by Step Solution
- Step 1: Write the proportion equation
439,573.06 : 659,187.06 = 155,202.94 : x - Step 2: Convert to fraction form
439,573.06/659,187.06 = 155,202.94/x - Step 3: Cross multiply
439,573.06x = 659,187.06 × 155,202.94 - Step 4: Simplify right side
439,573.06x = 102,307,769,721.96 - Step 5: Solve for x
x = 102,307,769,721.96/439,573.06 - Step 6: Final answer
x = 232,743.49
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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.