Finding the Fourth Proportional to 347,147.13, 479,038.14 and 194,177.28
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Solution
The fourth proportional to 347,147.13, 479,038.14 and 194,177.28 is: 267,950.72
Step by Step Solution
- Step 1: Write the proportion equation
347,147.13 : 479,038.14 = 194,177.28 : x - Step 2: Convert to fraction form
347,147.13/479,038.14 = 194,177.28/x - Step 3: Cross multiply
347,147.13x = 479,038.14 × 194,177.28 - Step 4: Simplify right side
347,147.13x = 93,018,323,041.46 - Step 5: Solve for x
x = 93,018,323,041.46/347,147.13 - Step 6: Final answer
x = 267,950.72
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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.