Finding the Fourth Proportional to 368,669.40, 552,118.20 and 210,418.08
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Solution
The fourth proportional to 368,669.40, 552,118.20 and 210,418.08 is: 315,121.49
Step by Step Solution
- Step 1: Write the proportion equation
368,669.40 : 552,118.20 = 210,418.08 : x - Step 2: Convert to fraction form
368,669.40/552,118.20 = 210,418.08/x - Step 3: Cross multiply
368,669.40x = 552,118.20 × 210,418.08 - Step 4: Simplify right side
368,669.40x = 116,175,651,577.06 - Step 5: Solve for x
x = 116,175,651,577.06/368,669.40 - Step 6: Final answer
x = 315,121.49
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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.