Finding the Fourth Proportional to 313,931.91, 433,214.09 and 170,692.08
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Solution
The fourth proportional to 313,931.91, 433,214.09 and 170,692.08 is: 235,548.58
Step by Step Solution
- Step 1: Write the proportion equation
313,931.91 : 433,214.09 = 170,692.08 : x - Step 2: Convert to fraction form
313,931.91/433,214.09 = 170,692.08/x - Step 3: Cross multiply
313,931.91x = 433,214.09 × 170,692.08 - Step 4: Simplify right side
313,931.91x = 73,946,214,107.41 - Step 5: Solve for x
x = 73,946,214,107.41/313,931.91 - Step 6: Final answer
x = 235,548.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.