Finding the Fourth Proportional to 346,102.16, 477,620.06 and 193,138.74
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Solution
The fourth proportional to 346,102.16, 477,620.06 and 193,138.74 is: 266,530.95
Step by Step Solution
- Step 1: Write the proportion equation
346,102.16 : 477,620.06 = 193,138.74 : x - Step 2: Convert to fraction form
346,102.16/477,620.06 = 193,138.74/x - Step 3: Cross multiply
346,102.16x = 477,620.06 × 193,138.74 - Step 4: Simplify right side
346,102.16x = 92,246,936,587.12 - Step 5: Solve for x
x = 92,246,936,587.12/346,102.16 - Step 6: Final answer
x = 266,530.95
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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.