Finding the Fourth Proportional to 424,684.08, 637,124.76 and 144,201.42
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Solution
The fourth proportional to 424,684.08, 637,124.76 and 144,201.42 is: 216,335.62
Step by Step Solution
- Step 1: Write the proportion equation
424,684.08 : 637,124.76 = 144,201.42 : x - Step 2: Convert to fraction form
424,684.08/637,124.76 = 144,201.42/x - Step 3: Cross multiply
424,684.08x = 637,124.76 × 144,201.42 - Step 4: Simplify right side
424,684.08x = 91,874,295,109.16 - Step 5: Solve for x
x = 91,874,295,109.16/424,684.08 - Step 6: Final answer
x = 216,335.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.