Finding the Fourth Proportional to 470,305.44, 649,026.27 and 255,449.70
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Solution
The fourth proportional to 470,305.44, 649,026.27 and 255,449.70 is: 352,523.17
Step by Step Solution
- Step 1: Write the proportion equation
470,305.44 : 649,026.27 = 255,449.70 : x - Step 2: Convert to fraction form
470,305.44/649,026.27 = 255,449.70/x - Step 3: Cross multiply
470,305.44x = 649,026.27 × 255,449.70 - Step 4: Simplify right side
470,305.44x = 165,793,565,963.62 - Step 5: Solve for x
x = 165,793,565,963.62/470,305.44 - Step 6: Final answer
x = 352,523.17
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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.