Finding the Fourth Proportional to 343,692.45, 474,274.08 and 207,645.98
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Solution
The fourth proportional to 343,692.45, 474,274.08 and 207,645.98 is: 286,538.46
Step by Step Solution
- Step 1: Write the proportion equation
343,692.45 : 474,274.08 = 207,645.98 : x - Step 2: Convert to fraction form
343,692.45/474,274.08 = 207,645.98/x - Step 3: Cross multiply
343,692.45x = 474,274.08 × 207,645.98 - Step 4: Simplify right side
343,692.45x = 98,481,103,758.83 - Step 5: Solve for x
x = 98,481,103,758.83/343,692.45 - Step 6: Final answer
x = 286,538.46
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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.