Finding the Fourth Proportional to 150,506.62, 207,696.09 and 83,438.62
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Solution
The fourth proportional to 150,506.62, 207,696.09 and 83,438.62 is: 115,143.61
Step by Step Solution
- Step 1: Write the proportion equation
150,506.62 : 207,696.09 = 83,438.62 : x - Step 2: Convert to fraction form
150,506.62/207,696.09 = 83,438.62/x - Step 3: Cross multiply
150,506.62x = 207,696.09 × 83,438.62 - Step 4: Simplify right side
150,506.62x = 17,329,875,129.00 - Step 5: Solve for x
x = 17,329,875,129.00/150,506.62 - Step 6: Final answer
x = 115,143.61
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1.5x scale
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.