Finding the Fourth Proportional to 259,448.59, 389,005.17 and 101,692.99
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Solution
The fourth proportional to 259,448.59, 389,005.17 and 101,692.99 is: 152,473.75
Step by Step Solution
- Step 1: Write the proportion equation
259,448.59 : 389,005.17 = 101,692.99 : x - Step 2: Convert to fraction form
259,448.59/389,005.17 = 101,692.99/x - Step 3: Cross multiply
259,448.59x = 389,005.17 × 101,692.99 - Step 4: Simplify right side
259,448.59x = 39,559,098,862.76 - Step 5: Solve for x
x = 39,559,098,862.76/259,448.59 - Step 6: Final answer
x = 152,473.75
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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.