Finding the Fourth Proportional to 408,056.62, 563,106.92 and 226,763.90
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Solution
The fourth proportional to 408,056.62, 563,106.92 and 226,763.90 is: 312,927.95
Step by Step Solution
- Step 1: Write the proportion equation
408,056.62 : 563,106.92 = 226,763.90 : x - Step 2: Convert to fraction form
408,056.62/563,106.92 = 226,763.90/x - Step 3: Cross multiply
408,056.62x = 563,106.92 × 226,763.90 - Step 4: Simplify right side
408,056.62x = 127,692,321,296.19 - Step 5: Solve for x
x = 127,692,321,296.19/408,056.62 - Step 6: Final answer
x = 312,927.95
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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.