Finding the Fourth Proportional to 278,952.08, 418,296.36 and 101,335.28
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Solution
The fourth proportional to 278,952.08, 418,296.36 and 101,335.28 is: 151,955.06
Step by Step Solution
- Step 1: Write the proportion equation
278,952.08 : 418,296.36 = 101,335.28 : x - Step 2: Convert to fraction form
278,952.08/418,296.36 = 101,335.28/x - Step 3: Cross multiply
278,952.08x = 418,296.36 × 101,335.28 - Step 4: Simplify right side
278,952.08x = 42,388,178,763.58 - Step 5: Solve for x
x = 42,388,178,763.58/278,952.08 - Step 6: Final answer
x = 151,955.06
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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.