Finding the Fourth Proportional to 155,228.78, 214,177.74 and 94,777.40
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Solution
The fourth proportional to 155,228.78, 214,177.74 and 94,777.40 is: 130,769.62
Step by Step Solution
- Step 1: Write the proportion equation
155,228.78 : 214,177.74 = 94,777.40 : x - Step 2: Convert to fraction form
155,228.78/214,177.74 = 94,777.40/x - Step 3: Cross multiply
155,228.78x = 214,177.74 × 94,777.40 - Step 4: Simplify right side
155,228.78x = 20,299,209,335.08 - Step 5: Solve for x
x = 20,299,209,335.08/155,228.78 - Step 6: Final answer
x = 130,769.62
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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.