Finding the Fourth Proportional to 752,169.81, 1,128,292.38 and 246,686.07
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Solution
The fourth proportional to 752,169.81, 1,128,292.38 and 246,686.07 is: 370,041.46
Step by Step Solution
- Step 1: Write the proportion equation
752,169.81 : 1,128,292.38 = 246,686.07 : x - Step 2: Convert to fraction form
752,169.81/1,128,292.38 = 246,686.07/x - Step 3: Cross multiply
752,169.81x = 1,128,292.38 × 246,686.07 - Step 4: Simplify right side
752,169.81x = 278,334,013,033.15 - Step 5: Solve for x
x = 278,334,013,033.15/752,169.81 - Step 6: Final answer
x = 370,041.46
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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.