Finding the Fourth Proportional to 247,279.24, 341,209.44 and 138,383.06
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Solution
The fourth proportional to 247,279.24, 341,209.44 and 138,383.06 is: 190,948.53
Step by Step Solution
- Step 1: Write the proportion equation
247,279.24 : 341,209.44 = 138,383.06 : x - Step 2: Convert to fraction form
247,279.24/341,209.44 = 138,383.06/x - Step 3: Cross multiply
247,279.24x = 341,209.44 × 138,383.06 - Step 4: Simplify right side
247,279.24x = 47,217,606,408.09 - Step 5: Solve for x
x = 47,217,606,408.09/247,279.24 - Step 6: Final answer
x = 190,948.53
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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.