Finding the Fourth Proportional to 753,244.04, 1,129,865.70 and 192,278.36
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Solution
The fourth proportional to 753,244.04, 1,129,865.70 and 192,278.36 is: 288,417.45
Step by Step Solution
- Step 1: Write the proportion equation
753,244.04 : 1,129,865.70 = 192,278.36 : x - Step 2: Convert to fraction form
753,244.04/1,129,865.70 = 192,278.36/x - Step 3: Cross multiply
753,244.04x = 1,129,865.70 × 192,278.36 - Step 4: Simplify right side
753,244.04x = 217,248,723,816.25 - Step 5: Solve for x
x = 217,248,723,816.25/753,244.04 - Step 6: Final answer
x = 288,417.45
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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.