Finding the Fourth Proportional to 313,894.80, 470,774.16 and 114,220.08
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Solution
The fourth proportional to 313,894.80, 470,774.16 and 114,220.08 is: 171,305.36
Step by Step Solution
- Step 1: Write the proportion equation
313,894.80 : 470,774.16 = 114,220.08 : x - Step 2: Convert to fraction form
313,894.80/470,774.16 = 114,220.08/x - Step 3: Cross multiply
313,894.80x = 470,774.16 × 114,220.08 - Step 4: Simplify right side
313,894.80x = 53,771,862,217.13 - Step 5: Solve for x
x = 53,771,862,217.13/313,894.80 - Step 6: Final answer
x = 171,305.36
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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.