Finding the Fourth Proportional to 178,266.02, 266,882.04 and 138,703.19
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Solution
The fourth proportional to 178,266.02, 266,882.04 and 138,703.19 is: 207,652.53
Step by Step Solution
- Step 1: Write the proportion equation
178,266.02 : 266,882.04 = 138,703.19 : x - Step 2: Convert to fraction form
178,266.02/266,882.04 = 138,703.19/x - Step 3: Cross multiply
178,266.02x = 266,882.04 × 138,703.19 - Step 4: Simplify right side
178,266.02x = 37,017,388,967.30 - Step 5: Solve for x
x = 37,017,388,967.30/178,266.02 - Step 6: Final answer
x = 207,652.53
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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.