Finding the Fourth Proportional to 368,745.14, 553,176.02 and 132,082.58
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Solution
The fourth proportional to 368,745.14, 553,176.02 and 132,082.58 is: 198,144.75
Step by Step Solution
- Step 1: Write the proportion equation
368,745.14 : 553,176.02 = 132,082.58 : x - Step 2: Convert to fraction form
368,745.14/553,176.02 = 132,082.58/x - Step 3: Cross multiply
368,745.14x = 553,176.02 × 132,082.58 - Step 4: Simplify right side
368,745.14x = 73,064,913,480.06 - Step 5: Solve for x
x = 73,064,913,480.06/368,745.14 - Step 6: Final answer
x = 198,144.75
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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.