Finding the Fourth Proportional to 368,954.80, 553,432.20 and 325,409.20
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Solution
The fourth proportional to 368,954.80, 553,432.20 and 325,409.20 is: 488,113.80
Step by Step Solution
- Step 1: Write the proportion equation
368,954.80 : 553,432.20 = 325,409.20 : x - Step 2: Convert to fraction form
368,954.80/553,432.20 = 325,409.20/x - Step 3: Cross multiply
368,954.80x = 553,432.20 × 325,409.20 - Step 4: Simplify right side
368,954.80x = 180,091,929,456.24 - Step 5: Solve for x
x = 180,091,929,456.24/368,954.80 - Step 6: Final answer
x = 488,113.80
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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.