Finding the Fourth Proportional to 640,692.99, 961,094.84 and 167,378.36
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Solution
The fourth proportional to 640,692.99, 961,094.84 and 167,378.36 is: 251,081.99
Step by Step Solution
- Step 1: Write the proportion equation
640,692.99 : 961,094.84 = 167,378.36 : x - Step 2: Convert to fraction form
640,692.99/961,094.84 = 167,378.36/x - Step 3: Cross multiply
640,692.99x = 961,094.84 × 167,378.36 - Step 4: Simplify right side
640,692.99x = 160,866,472,481.30 - Step 5: Solve for x
x = 160,866,472,481.30/640,692.99 - Step 6: Final answer
x = 251,081.99
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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.