Finding the Fourth Proportional to 236,963.33, 327,009.42 and 129,533.80
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Solution
The fourth proportional to 236,963.33, 327,009.42 and 129,533.80 is: 178,756.66
Step by Step Solution
- Step 1: Write the proportion equation
236,963.33 : 327,009.42 = 129,533.80 : x - Step 2: Convert to fraction form
236,963.33/327,009.42 = 129,533.80/x - Step 3: Cross multiply
236,963.33x = 327,009.42 × 129,533.80 - Step 4: Simplify right side
236,963.33x = 42,358,772,808.40 - Step 5: Solve for x
x = 42,358,772,808.40/236,963.33 - Step 6: Final answer
x = 178,756.66
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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.