Finding the Fourth Proportional to 411,107.04, 616,529.34 and 130,558.68
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Solution
The fourth proportional to 411,107.04, 616,529.34 and 130,558.68 is: 195,796.35
Step by Step Solution
- Step 1: Write the proportion equation
411,107.04 : 616,529.34 = 130,558.68 : x - Step 2: Convert to fraction form
411,107.04/616,529.34 = 130,558.68/x - Step 3: Cross multiply
411,107.04x = 616,529.34 × 130,558.68 - Step 4: Simplify right side
411,107.04x = 80,493,256,811.67 - Step 5: Solve for x
x = 80,493,256,811.67/411,107.04 - Step 6: Final answer
x = 195,796.35
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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.