Finding the Fourth Proportional to 150,405.12, 207,567.36 and 83,335.68
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Solution
The fourth proportional to 150,405.12, 207,567.36 and 83,335.68 is: 115,007.83
Step by Step Solution
- Step 1: Write the proportion equation
150,405.12 : 207,567.36 = 83,335.68 : x - Step 2: Convert to fraction form
150,405.12/207,567.36 = 83,335.68/x - Step 3: Cross multiply
150,405.12x = 207,567.36 × 83,335.68 - Step 4: Simplify right side
150,405.12x = 17,297,767,091.40 - Step 5: Solve for x
x = 17,297,767,091.40/150,405.12 - Step 6: Final answer
x = 115,007.83
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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.