Finding the Fourth Proportional to 240,363.36, 360,762.84 and 128,137.68
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Solution
The fourth proportional to 240,363.36, 360,762.84 and 128,137.68 is: 192,322.63
Step by Step Solution
- Step 1: Write the proportion equation
240,363.36 : 360,762.84 = 128,137.68 : x - Step 2: Convert to fraction form
240,363.36/360,762.84 = 128,137.68/x - Step 3: Cross multiply
240,363.36x = 360,762.84 × 128,137.68 - Step 4: Simplify right side
240,363.36x = 46,227,313,347.81 - Step 5: Solve for x
x = 46,227,313,347.81/240,363.36 - Step 6: Final answer
x = 192,322.63
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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.