Finding the Fourth Proportional to 911,153.80, 1,366,730.70 and 246,305.80
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Solution
The fourth proportional to 911,153.80, 1,366,730.70 and 246,305.80 is: 369,458.70
Step by Step Solution
- Step 1: Write the proportion equation
911,153.80 : 1,366,730.70 = 246,305.80 : x - Step 2: Convert to fraction form
911,153.80/1,366,730.70 = 246,305.80/x - Step 3: Cross multiply
911,153.80x = 1,366,730.70 × 246,305.80 - Step 4: Simplify right side
911,153.80x = 336,633,698,448.06 - Step 5: Solve for x
x = 336,633,698,448.06/911,153.80 - Step 6: Final answer
x = 369,458.70
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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.