Finding the Fourth Proportional to 608,170.24, 839,408.16 and 353,668.24
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Solution
The fourth proportional to 608,170.24, 839,408.16 and 353,668.24 is: 488,139.65
Step by Step Solution
- Step 1: Write the proportion equation
608,170.24 : 839,408.16 = 353,668.24 : x - Step 2: Convert to fraction form
608,170.24/839,408.16 = 353,668.24/x - Step 3: Cross multiply
608,170.24x = 839,408.16 × 353,668.24 - Step 4: Simplify right side
608,170.24x = 296,872,006,588.84 - Step 5: Solve for x
x = 296,872,006,588.84/608,170.24 - Step 6: Final answer
x = 488,139.65
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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.