Finding the Fourth Proportional to 397,984.80, 596,102.40 and 239,937.60
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Solution
The fourth proportional to 397,984.80, 596,102.40 and 239,937.60 is: 359,379.00
Step by Step Solution
- Step 1: Write the proportion equation
397,984.80 : 596,102.40 = 239,937.60 : x - Step 2: Convert to fraction form
397,984.80/596,102.40 = 239,937.60/x - Step 3: Cross multiply
397,984.80x = 596,102.40 × 239,937.60 - Step 4: Simplify right side
397,984.80x = 143,027,379,210.24 - Step 5: Solve for x
x = 143,027,379,210.24/397,984.80 - Step 6: Final answer
x = 359,379.00
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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.