Finding the Fourth Proportional to 149,408.20, 224,112.30 and 55,901.80
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Solution
The fourth proportional to 149,408.20, 224,112.30 and 55,901.80 is: 83,852.70
Step by Step Solution
- Step 1: Write the proportion equation
149,408.20 : 224,112.30 = 55,901.80 : x - Step 2: Convert to fraction form
149,408.20/224,112.30 = 55,901.80/x - Step 3: Cross multiply
149,408.20x = 224,112.30 × 55,901.80 - Step 4: Simplify right side
149,408.20x = 12,528,280,972.14 - Step 5: Solve for x
x = 12,528,280,972.14/149,408.20 - Step 6: Final answer
x = 83,852.70
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1.5x scale
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.