Finding the Fourth Proportional to 149,725.80, 224,588.70 and 135,947.70
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Solution
The fourth proportional to 149,725.80, 224,588.70 and 135,947.70 is: 203,921.55
Step by Step Solution
- Step 1: Write the proportion equation
149,725.80 : 224,588.70 = 135,947.70 : x - Step 2: Convert to fraction form
149,725.80/224,588.70 = 135,947.70/x - Step 3: Cross multiply
149,725.80x = 224,588.70 × 135,947.70 - Step 4: Simplify right side
149,725.80x = 30,532,317,210.99 - Step 5: Solve for x
x = 30,532,317,210.99/149,725.80 - Step 6: Final answer
x = 203,921.55
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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.