Finding the Fourth Proportional to 217,283.41, 299,851.77 and 120,494.08
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Solution
The fourth proportional to 217,283.41, 299,851.77 and 120,494.08 is: 166,282.20
Step by Step Solution
- Step 1: Write the proportion equation
217,283.41 : 299,851.77 = 120,494.08 : x - Step 2: Convert to fraction form
217,283.41/299,851.77 = 120,494.08/x - Step 3: Cross multiply
217,283.41x = 299,851.77 × 120,494.08 - Step 4: Simplify right side
217,283.41x = 36,130,363,989.19 - Step 5: Solve for x
x = 36,130,363,989.19/217,283.41 - Step 6: Final answer
x = 166,282.20
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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.