Finding the Fourth Proportional to 838,118.36, 1,257,219.05 and 239,167.77
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Solution
The fourth proportional to 838,118.36, 1,257,219.05 and 239,167.77 is: 358,763.50
Step by Step Solution
- Step 1: Write the proportion equation
838,118.36 : 1,257,219.05 = 239,167.77 : x - Step 2: Convert to fraction form
838,118.36/1,257,219.05 = 239,167.77/x - Step 3: Cross multiply
838,118.36x = 1,257,219.05 × 239,167.77 - Step 4: Simplify right side
838,118.36x = 300,686,275,394.18 - Step 5: Solve for x
x = 300,686,275,394.18/838,118.36 - Step 6: Final answer
x = 358,763.50
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1.5x scale
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.