Finding the Fourth Proportional to 208,852.04, 288,216.37 and 113,358.74
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Solution
The fourth proportional to 208,852.04, 288,216.37 and 113,358.74 is: 156,435.35
Step by Step Solution
- Step 1: Write the proportion equation
208,852.04 : 288,216.37 = 113,358.74 : x - Step 2: Convert to fraction form
208,852.04/288,216.37 = 113,358.74/x - Step 3: Cross multiply
208,852.04x = 288,216.37 × 113,358.74 - Step 4: Simplify right side
208,852.04x = 32,671,843,251.19 - Step 5: Solve for x
x = 32,671,843,251.19/208,852.04 - Step 6: Final answer
x = 156,435.35
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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.