Finding the Fourth Proportional to 408,045.63, 563,103.24 and 226,774.44
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Solution
The fourth proportional to 408,045.63, 563,103.24 and 226,774.44 is: 312,948.88
Step by Step Solution
- Step 1: Write the proportion equation
408,045.63 : 563,103.24 = 226,774.44 : x - Step 2: Convert to fraction form
408,045.63/563,103.24 = 226,774.44/x - Step 3: Cross multiply
408,045.63x = 563,103.24 × 226,774.44 - Step 4: Simplify right side
408,045.63x = 127,697,421,913.19 - Step 5: Solve for x
x = 127,697,421,913.19/408,045.63 - Step 6: Final answer
x = 312,948.88
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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.