Finding the Fourth Proportional to 294,748.98, 442,080.28 and 144,948.99
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Solution
The fourth proportional to 294,748.98, 442,080.28 and 144,948.99 is: 217,402.25
Step by Step Solution
- Step 1: Write the proportion equation
294,748.98 : 442,080.28 = 144,948.99 : x - Step 2: Convert to fraction form
294,748.98/442,080.28 = 144,948.99/x - Step 3: Cross multiply
294,748.98x = 442,080.28 × 144,948.99 - Step 4: Simplify right side
294,748.98x = 64,079,091,923.90 - Step 5: Solve for x
x = 64,079,091,923.90/294,748.98 - Step 6: Final answer
x = 217,402.25
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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.