Finding the Fourth Proportional to 779,800.21, 1,169,811.88 and 240,102.14
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Solution
The fourth proportional to 779,800.21, 1,169,811.88 and 240,102.14 is: 360,187.56
Step by Step Solution
- Step 1: Write the proportion equation
779,800.21 : 1,169,811.88 = 240,102.14 : x - Step 2: Convert to fraction form
779,800.21/1,169,811.88 = 240,102.14/x - Step 3: Cross multiply
779,800.21x = 1,169,811.88 × 240,102.14 - Step 4: Simplify right side
779,800.21x = 280,874,335,785.42 - Step 5: Solve for x
x = 280,874,335,785.42/779,800.21 - Step 6: Final answer
x = 360,187.56
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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.