Finding the Fourth Proportional to 778,966.05, 1,168,508.18 and 210,338.88
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Solution
The fourth proportional to 778,966.05, 1,168,508.18 and 210,338.88 is: 315,524.28
Step by Step Solution
- Step 1: Write the proportion equation
778,966.05 : 1,168,508.18 = 210,338.88 : x - Step 2: Convert to fraction form
778,966.05/1,168,508.18 = 210,338.88/x - Step 3: Cross multiply
778,966.05x = 1,168,508.18 × 210,338.88 - Step 4: Simplify right side
778,966.05x = 245,782,701,852.04 - Step 5: Solve for x
x = 245,782,701,852.04/778,966.05 - Step 6: Final answer
x = 315,524.28
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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.