Finding the Fourth Proportional to 412,303.80, 618,455.70 and 246,415.80
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Solution
The fourth proportional to 412,303.80, 618,455.70 and 246,415.80 is: 369,623.70
Step by Step Solution
- Step 1: Write the proportion equation
412,303.80 : 618,455.70 = 246,415.80 : x - Step 2: Convert to fraction form
412,303.80/618,455.70 = 246,415.80/x - Step 3: Cross multiply
412,303.80x = 618,455.70 × 246,415.80 - Step 4: Simplify right side
412,303.80x = 152,397,256,080.06 - Step 5: Solve for x
x = 152,397,256,080.06/412,303.80 - Step 6: Final answer
x = 369,623.70
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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.