Finding the Fourth Proportional to 153,602.28, 230,368.86 and 55,106.28
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Solution
The fourth proportional to 153,602.28, 230,368.86 and 55,106.28 is: 82,647.02
Step by Step Solution
- Step 1: Write the proportion equation
153,602.28 : 230,368.86 = 55,106.28 : x - Step 2: Convert to fraction form
153,602.28/230,368.86 = 55,106.28/x - Step 3: Cross multiply
153,602.28x = 230,368.86 × 55,106.28 - Step 4: Simplify right side
153,602.28x = 12,694,770,902.44 - Step 5: Solve for x
x = 12,694,770,902.44/153,602.28 - Step 6: Final answer
x = 82,647.02
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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.