Finding the Fourth Proportional to 158,427.84, 237,681.36 and 111,771.84
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Solution
The fourth proportional to 158,427.84, 237,681.36 and 111,771.84 is: 167,685.70
Step by Step Solution
- Step 1: Write the proportion equation
158,427.84 : 237,681.36 = 111,771.84 : x - Step 2: Convert to fraction form
158,427.84/237,681.36 = 111,771.84/x - Step 3: Cross multiply
158,427.84x = 237,681.36 × 111,771.84 - Step 4: Simplify right side
158,427.84x = 26,566,082,940.90 - Step 5: Solve for x
x = 26,566,082,940.90/158,427.84 - Step 6: Final answer
x = 167,685.70
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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.