Finding the Fourth Proportional to 320,507.16, 480,770.58 and 110,142.12
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Solution
The fourth proportional to 320,507.16, 480,770.58 and 110,142.12 is: 165,216.56
Step by Step Solution
- Step 1: Write the proportion equation
320,507.16 : 480,770.58 = 110,142.12 : x - Step 2: Convert to fraction form
320,507.16/480,770.58 = 110,142.12/x - Step 3: Cross multiply
320,507.16x = 480,770.58 × 110,142.12 - Step 4: Simplify right side
320,507.16x = 52,953,090,914.83 - Step 5: Solve for x
x = 52,953,090,914.83/320,507.16 - Step 6: Final answer
x = 165,216.56
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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.