Finding the Fourth Proportional to 408,045.64, 563,106.09 and 226,774.57
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Solution
The fourth proportional to 408,045.64, 563,106.09 and 226,774.57 is: 312,950.63
Step by Step Solution
- Step 1: Write the proportion equation
408,045.64 : 563,106.09 = 226,774.57 : x - Step 2: Convert to fraction form
408,045.64/563,106.09 = 226,774.57/x - Step 3: Cross multiply
408,045.64x = 563,106.09 × 226,774.57 - Step 4: Simplify right side
408,045.64x = 127,698,141,424.13 - Step 5: Solve for x
x = 127,698,141,424.13/408,045.64 - Step 6: Final answer
x = 312,950.63
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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.