Finding the Fourth Proportional to 279,595.04, 386,115.36 and 239,074.88
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Solution
The fourth proportional to 279,595.04, 386,115.36 and 239,074.88 is: 330,157.80
Step by Step Solution
- Step 1: Write the proportion equation
279,595.04 : 386,115.36 = 239,074.88 : x - Step 2: Convert to fraction form
279,595.04/386,115.36 = 239,074.88/x - Step 3: Cross multiply
279,595.04x = 386,115.36 × 239,074.88 - Step 4: Simplify right side
279,595.04x = 92,310,483,358.16 - Step 5: Solve for x
x = 92,310,483,358.16/279,595.04 - Step 6: Final answer
x = 330,157.80
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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.