Finding the Fourth Proportional to 402,209.02, 555,023.91 and 220,885.66
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Solution
The fourth proportional to 402,209.02, 555,023.91 and 220,885.66 is: 304,808.74
Step by Step Solution
- Step 1: Write the proportion equation
402,209.02 : 555,023.91 = 220,885.66 : x - Step 2: Convert to fraction form
402,209.02/555,023.91 = 220,885.66/x - Step 3: Cross multiply
402,209.02x = 555,023.91 × 220,885.66 - Step 4: Simplify right side
402,209.02x = 122,596,822,676.13 - Step 5: Solve for x
x = 122,596,822,676.13/402,209.02 - Step 6: Final answer
x = 304,808.74
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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.