Finding the Fourth Proportional to 313,257.77, 432,291.09 and 177,317.49
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Solution
The fourth proportional to 313,257.77, 432,291.09 and 177,317.49 is: 244,695.51
Step by Step Solution
- Step 1: Write the proportion equation
313,257.77 : 432,291.09 = 177,317.49 : x - Step 2: Convert to fraction form
313,257.77/432,291.09 = 177,317.49/x - Step 3: Cross multiply
313,257.77x = 432,291.09 × 177,317.49 - Step 4: Simplify right side
313,257.77x = 76,652,771,028.16 - Step 5: Solve for x
x = 76,652,771,028.16/313,257.77 - Step 6: Final answer
x = 244,695.51
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1.5x scale
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.