Finding the Fourth Proportional to 415,214.64, 572,996.21 and 224,228.02
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Solution
The fourth proportional to 415,214.64, 572,996.21 and 224,228.02 is: 309,434.66
Step by Step Solution
- Step 1: Write the proportion equation
415,214.64 : 572,996.21 = 224,228.02 : x - Step 2: Convert to fraction form
415,214.64/572,996.21 = 224,228.02/x - Step 3: Cross multiply
415,214.64x = 572,996.21 × 224,228.02 - Step 4: Simplify right side
415,214.64x = 128,481,803,082.17 - Step 5: Solve for x
x = 128,481,803,082.17/415,214.64 - Step 6: Final answer
x = 309,434.66
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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.