Finding the Fourth Proportional to 753,240.04, 1,129,859.70 and 192,274.36
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Solution
The fourth proportional to 753,240.04, 1,129,859.70 and 192,274.36 is: 288,411.45
Step by Step Solution
- Step 1: Write the proportion equation
753,240.04 : 1,129,859.70 = 192,274.36 : x - Step 2: Convert to fraction form
753,240.04/1,129,859.70 = 192,274.36/x - Step 3: Cross multiply
753,240.04x = 1,129,859.70 × 192,274.36 - Step 4: Simplify right side
753,240.04x = 217,243,050,707.29 - Step 5: Solve for x
x = 217,243,050,707.29/753,240.04 - Step 6: Final answer
x = 288,411.45
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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.