Finding the Fourth Proportional to 425,615.84, 587,353.78 and 234,636.08
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Solution
The fourth proportional to 425,615.84, 587,353.78 and 234,636.08 is: 323,799.95
Step by Step Solution
- Step 1: Write the proportion equation
425,615.84 : 587,353.78 = 234,636.08 : x - Step 2: Convert to fraction form
425,615.84/587,353.78 = 234,636.08/x - Step 3: Cross multiply
425,615.84x = 587,353.78 × 234,636.08 - Step 4: Simplify right side
425,615.84x = 137,814,388,512.38 - Step 5: Solve for x
x = 137,814,388,512.38/425,615.84 - Step 6: Final answer
x = 323,799.95
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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.