Finding the Fourth Proportional to 513,982.08, 771,206.40 and 304,030.08
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Solution
The fourth proportional to 513,982.08, 771,206.40 and 304,030.08 is: 456,183.11
Step by Step Solution
- Step 1: Write the proportion equation
513,982.08 : 771,206.40 = 304,030.08 : x - Step 2: Convert to fraction form
513,982.08/771,206.40 = 304,030.08/x - Step 3: Cross multiply
513,982.08x = 771,206.40 × 304,030.08 - Step 4: Simplify right side
513,982.08x = 234,469,943,488.51 - Step 5: Solve for x
x = 234,469,943,488.51/513,982.08 - Step 6: Final answer
x = 456,183.11
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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.