Finding the Fourth Proportional to 354,897.68, 489,652.68 and 227,351.12
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Solution
The fourth proportional to 354,897.68, 489,652.68 and 227,351.12 is: 313,676.57
Step by Step Solution
- Step 1: Write the proportion equation
354,897.68 : 489,652.68 = 227,351.12 : x - Step 2: Convert to fraction form
354,897.68/489,652.68 = 227,351.12/x - Step 3: Cross multiply
354,897.68x = 489,652.68 × 227,351.12 - Step 4: Simplify right side
354,897.68x = 111,323,085,209.00 - Step 5: Solve for x
x = 111,323,085,209.00/354,897.68 - Step 6: Final answer
x = 313,676.57
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1.5x scale
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.