Finding the Fourth Proportional to 238,244,646.20, 357,366,969.30 and 214,058,175.80
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Solution
The fourth proportional to 238,244,646.20, 357,366,969.30 and 214,058,175.80 is: 321,087,263.70
Step by Step Solution
- Step 1: Write the proportion equation
238,244,646.20 : 357,366,969.30 = 214,058,175.80 : x - Step 2: Convert to fraction form
238,244,646.20/357,366,969.30 = 214,058,175.80/x - Step 3: Cross multiply
238,244,646.20x = 357,366,969.30 × 214,058,175.80 - Step 4: Simplify right side
238,244,646.20x = 76,497,321,539,532,608 - Step 5: Solve for x
x = 76,497,321,539,532,608/238,244,646.20 - Step 6: Final answer
x = 321,087,263.70
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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.