Finding the Fourth Proportional to 313,475.08, 470,270.94 and 103,121.32
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Solution
The fourth proportional to 313,475.08, 470,270.94 and 103,121.32 is: 154,701.17
Step by Step Solution
- Step 1: Write the proportion equation
313,475.08 : 470,270.94 = 103,121.32 : x - Step 2: Convert to fraction form
313,475.08/470,270.94 = 103,121.32/x - Step 3: Cross multiply
313,475.08x = 470,270.94 × 103,121.32 - Step 4: Simplify right side
313,475.08x = 48,494,960,090.44 - Step 5: Solve for x
x = 48,494,960,090.44/313,475.08 - Step 6: Final answer
x = 154,701.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.