Finding the Fourth Proportional to 149,735.80, 224,603.70 and 135,957.70
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Solution
The fourth proportional to 149,735.80, 224,603.70 and 135,957.70 is: 203,936.55
Step by Step Solution
- Step 1: Write the proportion equation
149,735.80 : 224,603.70 = 135,957.70 : x - Step 2: Convert to fraction form
149,735.80/224,603.70 = 135,957.70/x - Step 3: Cross multiply
149,735.80x = 224,603.70 × 135,957.70 - Step 4: Simplify right side
149,735.80x = 30,536,602,463.49 - Step 5: Solve for x
x = 30,536,602,463.49/149,735.80 - Step 6: Final answer
x = 203,936.55
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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.