Finding the Fourth Proportional to 470,638.08, 649,484.68 and 255,778.28
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Solution
The fourth proportional to 470,638.08, 649,484.68 and 255,778.28 is: 352,976.27
Step by Step Solution
- Step 1: Write the proportion equation
470,638.08 : 649,484.68 = 255,778.28 : x - Step 2: Convert to fraction form
470,638.08/649,484.68 = 255,778.28/x - Step 3: Cross multiply
470,638.08x = 649,484.68 × 255,778.28 - Step 4: Simplify right side
470,638.08x = 166,124,074,336.75 - Step 5: Solve for x
x = 166,124,074,336.75/470,638.08 - Step 6: Final answer
x = 352,976.27
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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.