Finding the Fourth Proportional to 358,732.68, 495,045.72 and 197,588.04
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Solution
The fourth proportional to 358,732.68, 495,045.72 and 197,588.04 is: 272,668.53
Step by Step Solution
- Step 1: Write the proportion equation
358,732.68 : 495,045.72 = 197,588.04 : x - Step 2: Convert to fraction form
358,732.68/495,045.72 = 197,588.04/x - Step 3: Cross multiply
358,732.68x = 495,045.72 × 197,588.04 - Step 4: Simplify right side
358,732.68x = 97,815,113,525.19 - Step 5: Solve for x
x = 97,815,113,525.19/358,732.68 - Step 6: Final answer
x = 272,668.53
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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.