Finding the Fourth Proportional to 149,928.96, 224,609.28 and 76,108.80
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Solution
The fourth proportional to 149,928.96, 224,609.28 and 76,108.80 is: 114,018.95
Step by Step Solution
- Step 1: Write the proportion equation
149,928.96 : 224,609.28 = 76,108.80 : x - Step 2: Convert to fraction form
149,928.96/224,609.28 = 76,108.80/x - Step 3: Cross multiply
149,928.96x = 224,609.28 × 76,108.80 - Step 4: Simplify right side
149,928.96x = 17,094,742,769.66 - Step 5: Solve for x
x = 17,094,742,769.66/149,928.96 - Step 6: Final answer
x = 114,018.95
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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.