Finding the Fourth Proportional to 346,774.08, 520,179.12 and 110,135.28
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Solution
The fourth proportional to 346,774.08, 520,179.12 and 110,135.28 is: 165,208.64
Step by Step Solution
- Step 1: Write the proportion equation
346,774.08 : 520,179.12 = 110,135.28 : x - Step 2: Convert to fraction form
346,774.08/520,179.12 = 110,135.28/x - Step 3: Cross multiply
346,774.08x = 520,179.12 × 110,135.28 - Step 4: Simplify right side
346,774.08x = 57,290,073,031.35 - Step 5: Solve for x
x = 57,290,073,031.35/346,774.08 - Step 6: Final answer
x = 165,208.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.