Finding the Fourth Proportional to 183,962.36, 253,823.71 and 107,438.01
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Solution
The fourth proportional to 183,962.36, 253,823.71 and 107,438.01 is: 148,238.56
Step by Step Solution
- Step 1: Write the proportion equation
183,962.36 : 253,823.71 = 107,438.01 : x - Step 2: Convert to fraction form
183,962.36/253,823.71 = 107,438.01/x - Step 3: Cross multiply
183,962.36x = 253,823.71 × 107,438.01 - Step 4: Simplify right side
183,962.36x = 27,270,313,756.03 - Step 5: Solve for x
x = 27,270,313,756.03/183,962.36 - Step 6: Final answer
x = 148,238.56
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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.