Finding the Fourth Proportional to 304,478.58, 420,138.84 and 175,369.03
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Solution
The fourth proportional to 304,478.58, 420,138.84 and 175,369.03 is: 241,985.30
Step by Step Solution
- Step 1: Write the proportion equation
304,478.58 : 420,138.84 = 175,369.03 : x - Step 2: Convert to fraction form
304,478.58/420,138.84 = 175,369.03/x - Step 3: Cross multiply
304,478.58x = 420,138.84 × 175,369.03 - Step 4: Simplify right side
304,478.58x = 73,679,340,836.13 - Step 5: Solve for x
x = 73,679,340,836.13/304,478.58 - Step 6: Final answer
x = 241,985.30
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1.5x scale
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.