Finding the Fourth Proportional to 147,359.21, 203,355.71 and 80,291.21
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Solution
The fourth proportional to 147,359.21, 203,355.71 and 80,291.21 is: 110,801.86
Step by Step Solution
- Step 1: Write the proportion equation
147,359.21 : 203,355.71 = 80,291.21 : x - Step 2: Convert to fraction form
147,359.21/203,355.71 = 80,291.21/x - Step 3: Cross multiply
147,359.21x = 203,355.71 × 80,291.21 - Step 4: Simplify right side
147,359.21x = 16,327,674,598.07 - Step 5: Solve for x
x = 16,327,674,598.07/147,359.21 - Step 6: Final answer
x = 110,801.86
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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.