Finding the Fourth Proportional to 307,977.24, 461,885.66 and 130,392.84
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Solution
The fourth proportional to 307,977.24, 461,885.66 and 130,392.84 is: 195,555.30
Step by Step Solution
- Step 1: Write the proportion equation
307,977.24 : 461,885.66 = 130,392.84 : x - Step 2: Convert to fraction form
307,977.24/461,885.66 = 130,392.84/x - Step 3: Cross multiply
307,977.24x = 461,885.66 × 130,392.84 - Step 4: Simplify right side
307,977.24x = 60,226,580,979.23 - Step 5: Solve for x
x = 60,226,580,979.23/307,977.24 - Step 6: Final answer
x = 195,555.30
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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.