Finding the Fourth Proportional to 358,929.09, 495,344.16 and 197,784.05
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Solution
The fourth proportional to 358,929.09, 495,344.16 and 197,784.05 is: 272,954.11
Step by Step Solution
- Step 1: Write the proportion equation
358,929.09 : 495,344.16 = 197,784.05 : x - Step 2: Convert to fraction form
358,929.09/495,344.16 = 197,784.05/x - Step 3: Cross multiply
358,929.09x = 495,344.16 × 197,784.05 - Step 4: Simplify right side
358,929.09x = 97,971,171,631.93 - Step 5: Solve for x
x = 97,971,171,631.93/358,929.09 - Step 6: Final answer
x = 272,954.11
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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.