Finding the Fourth Proportional to 135,692.10, 203,501.70 and 46,972.80
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Solution
The fourth proportional to 135,692.10, 203,501.70 and 46,972.80 is: 70,446.58
Step by Step Solution
- Step 1: Write the proportion equation
135,692.10 : 203,501.70 = 46,972.80 : x - Step 2: Convert to fraction form
135,692.10/203,501.70 = 46,972.80/x - Step 3: Cross multiply
135,692.10x = 203,501.70 × 46,972.80 - Step 4: Simplify right side
135,692.10x = 9,559,044,653.76 - Step 5: Solve for x
x = 9,559,044,653.76/135,692.10 - Step 6: Final answer
x = 70,446.58
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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.