Finding the Fourth Proportional to 141,769.09, 212,652.95 and 41,929.80
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Solution
The fourth proportional to 141,769.09, 212,652.95 and 41,929.80 is: 62,894.50
Step by Step Solution
- Step 1: Write the proportion equation
141,769.09 : 212,652.95 = 41,929.80 : x - Step 2: Convert to fraction form
141,769.09/212,652.95 = 41,929.80/x - Step 3: Cross multiply
141,769.09x = 212,652.95 × 41,929.80 - Step 4: Simplify right side
141,769.09x = 8,916,495,851.99 - Step 5: Solve for x
x = 8,916,495,851.99/141,769.09 - Step 6: Final answer
x = 62,894.50
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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.