Finding the Fourth Proportional to 358,954.93, 495,361.11 and 197,815.74
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Solution
The fourth proportional to 358,954.93, 495,361.11 and 197,815.74 is: 272,987.54
Step by Step Solution
- Step 1: Write the proportion equation
358,954.93 : 495,361.11 = 197,815.74 : x - Step 2: Convert to fraction form
358,954.93/495,361.11 = 197,815.74/x - Step 3: Cross multiply
358,954.93x = 495,361.11 × 197,815.74 - Step 4: Simplify right side
358,954.93x = 97,990,224,541.87 - Step 5: Solve for x
x = 97,990,224,541.87/358,954.93 - Step 6: Final answer
x = 272,987.54
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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.