Finding the Fourth Proportional to 279,145.44, 418,656.06 and 79,462.08
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Solution
The fourth proportional to 279,145.44, 418,656.06 and 79,462.08 is: 119,175.44
Step by Step Solution
- Step 1: Write the proportion equation
279,145.44 : 418,656.06 = 79,462.08 : x - Step 2: Convert to fraction form
279,145.44/418,656.06 = 79,462.08/x - Step 3: Cross multiply
279,145.44x = 418,656.06 × 79,462.08 - Step 4: Simplify right side
279,145.44x = 33,267,281,332.20 - Step 5: Solve for x
x = 33,267,281,332.20/279,145.44 - Step 6: Final answer
x = 119,175.44
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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.