Finding the Fourth Proportional to 524,742.42, 787,169.84 and 145,664.75
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Solution
The fourth proportional to 524,742.42, 787,169.84 and 145,664.75 is: 218,512.72
Step by Step Solution
- Step 1: Write the proportion equation
524,742.42 : 787,169.84 = 145,664.75 : x - Step 2: Convert to fraction form
524,742.42/787,169.84 = 145,664.75/x - Step 3: Cross multiply
524,742.42x = 787,169.84 × 145,664.75 - Step 4: Simplify right side
524,742.42x = 114,662,893,286.97 - Step 5: Solve for x
x = 114,662,893,286.97/524,742.42 - Step 6: Final answer
x = 218,512.72
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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.