Finding the Fourth Proportional to 216,780.36, 299,154.70 and 119,984.44
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Solution
The fourth proportional to 216,780.36, 299,154.70 and 119,984.44 is: 165,577.31
Step by Step Solution
- Step 1: Write the proportion equation
216,780.36 : 299,154.70 = 119,984.44 : x - Step 2: Convert to fraction form
216,780.36/299,154.70 = 119,984.44/x - Step 3: Cross multiply
216,780.36x = 299,154.70 × 119,984.44 - Step 4: Simplify right side
216,780.36x = 35,893,909,152.87 - Step 5: Solve for x
x = 35,893,909,152.87/216,780.36 - Step 6: Final answer
x = 165,577.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.