Finding the Fourth Proportional to 636,201.60, 954,010.80 and 281,032.80
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Solution
The fourth proportional to 636,201.60, 954,010.80 and 281,032.80 is: 421,420.39
Step by Step Solution
- Step 1: Write the proportion equation
636,201.60 : 954,010.80 = 281,032.80 : x - Step 2: Convert to fraction form
636,201.60/954,010.80 = 281,032.80/x - Step 3: Cross multiply
636,201.60x = 954,010.80 × 281,032.80 - Step 4: Simplify right side
636,201.60x = 268,108,326,354.24 - Step 5: Solve for x
x = 268,108,326,354.24/636,201.60 - Step 6: Final answer
x = 421,420.39
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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.