Finding the Fourth Proportional to 189,043.98, 260,899.08 and 141,214.29
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Solution
The fourth proportional to 189,043.98, 260,899.08 and 141,214.29 is: 194,889.45
Step by Step Solution
- Step 1: Write the proportion equation
189,043.98 : 260,899.08 = 141,214.29 : x - Step 2: Convert to fraction form
189,043.98/260,899.08 = 141,214.29/x - Step 3: Cross multiply
189,043.98x = 260,899.08 × 141,214.29 - Step 4: Simplify right side
189,043.98x = 36,842,676,835.93 - Step 5: Solve for x
x = 36,842,676,835.93/189,043.98 - Step 6: Final answer
x = 194,889.45
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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.