Finding the Fourth Proportional to 816,372.68, 1,224,536.45 and 217,339.02
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Solution
The fourth proportional to 816,372.68, 1,224,536.45 and 217,339.02 is: 326,002.52
Step by Step Solution
- Step 1: Write the proportion equation
816,372.68 : 1,224,536.45 = 217,339.02 : x - Step 2: Convert to fraction form
816,372.68/1,224,536.45 = 217,339.02/x - Step 3: Cross multiply
816,372.68x = 1,224,536.45 × 217,339.02 - Step 4: Simplify right side
816,372.68x = 266,139,552,540.63 - Step 5: Solve for x
x = 266,139,552,540.63/816,372.68 - Step 6: Final answer
x = 326,002.52
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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.