Finding the Fourth Proportional to 260,142.02, 390,023.79 and 175,692.84
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Solution
The fourth proportional to 260,142.02, 390,023.79 and 175,692.84 is: 263,411.45
Step by Step Solution
- Step 1: Write the proportion equation
260,142.02 : 390,023.79 = 175,692.84 : x - Step 2: Convert to fraction form
260,142.02/390,023.79 = 175,692.84/x - Step 3: Cross multiply
260,142.02x = 390,023.79 × 175,692.84 - Step 4: Simplify right side
260,142.02x = 68,524,387,332.66 - Step 5: Solve for x
x = 68,524,387,332.66/260,142.02 - Step 6: Final answer
x = 263,411.45
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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.