Finding the Fourth Proportional to 753,246.04, 1,129,868.70 and 192,280.36
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Solution
The fourth proportional to 753,246.04, 1,129,868.70 and 192,280.36 is: 288,420.45
Step by Step Solution
- Step 1: Write the proportion equation
753,246.04 : 1,129,868.70 = 192,280.36 : x - Step 2: Convert to fraction form
753,246.04/1,129,868.70 = 192,280.36/x - Step 3: Cross multiply
753,246.04x = 1,129,868.70 × 192,280.36 - Step 4: Simplify right side
753,246.04x = 217,251,560,388.73 - Step 5: Solve for x
x = 217,251,560,388.73/753,246.04 - Step 6: Final answer
x = 288,420.45
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1.5x scale
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.