Finding the Fourth Proportional to 221,290.08, 330,675.36 and 166,158.14
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Solution
The fourth proportional to 221,290.08, 330,675.36 and 166,158.14 is: 248,291.30
Step by Step Solution
- Step 1: Write the proportion equation
221,290.08 : 330,675.36 = 166,158.14 : x - Step 2: Convert to fraction form
221,290.08/330,675.36 = 166,158.14/x - Step 3: Cross multiply
221,290.08x = 330,675.36 × 166,158.14 - Step 4: Simplify right side
221,290.08x = 54,944,401,108.05 - Step 5: Solve for x
x = 54,944,401,108.05/221,290.08 - Step 6: Final answer
x = 248,291.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.