Finding the Fourth Proportional to 447,647.36, 617,751.36 and 246,443.20
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Solution
The fourth proportional to 447,647.36, 617,751.36 and 246,443.20 is: 340,090.52
Step by Step Solution
- Step 1: Write the proportion equation
447,647.36 : 617,751.36 = 246,443.20 : x - Step 2: Convert to fraction form
447,647.36/617,751.36 = 246,443.20/x - Step 3: Cross multiply
447,647.36x = 617,751.36 × 246,443.20 - Step 4: Simplify right side
447,647.36x = 152,240,621,962.75 - Step 5: Solve for x
x = 152,240,621,962.75/447,647.36 - Step 6: Final answer
x = 340,090.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.