Finding the Fourth Proportional to 368,435.20, 552,652.80 and 368,435.20
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Solution
The fourth proportional to 368,435.20, 552,652.80 and 368,435.20 is: 552,652.80
Step by Step Solution
- Step 1: Write the proportion equation
368,435.20 : 552,652.80 = 368,435.20 : x - Step 2: Convert to fraction form
368,435.20/552,652.80 = 368,435.20/x - Step 3: Cross multiply
368,435.20x = 552,652.80 × 368,435.20 - Step 4: Simplify right side
368,435.20x = 203,616,744,898.56 - Step 5: Solve for x
x = 203,616,744,898.56/368,435.20 - Step 6: Final answer
x = 552,652.80
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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.