Finding the Fourth Proportional to 400,494.84, 552,645.36 and 239,317.80
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Solution
The fourth proportional to 400,494.84, 552,645.36 and 239,317.80 is: 330,236.14
Step by Step Solution
- Step 1: Write the proportion equation
400,494.84 : 552,645.36 = 239,317.80 : x - Step 2: Convert to fraction form
400,494.84/552,645.36 = 239,317.80/x - Step 3: Cross multiply
400,494.84x = 552,645.36 × 239,317.80 - Step 4: Simplify right side
400,494.84x = 132,257,871,735.41 - Step 5: Solve for x
x = 132,257,871,735.41/400,494.84 - Step 6: Final answer
x = 330,236.14
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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.