Finding the Fourth Proportional to 355,065.93, 489,983.13 and 193,921.63
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Solution
The fourth proportional to 355,065.93, 489,983.13 and 193,921.63 is: 267,607.56
Step by Step Solution
- Step 1: Write the proportion equation
355,065.93 : 489,983.13 = 193,921.63 : x - Step 2: Convert to fraction form
355,065.93/489,983.13 = 193,921.63/x - Step 3: Cross multiply
355,065.93x = 489,983.13 × 193,921.63 - Step 4: Simplify right side
355,065.93x = 95,018,326,017.14 - Step 5: Solve for x
x = 95,018,326,017.14/355,065.93 - Step 6: Final answer
x = 267,607.56
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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.