Finding the Fourth Proportional to 268,903.03, 371,072.08 and 148,020.70
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Solution
The fourth proportional to 268,903.03, 371,072.08 and 148,020.70 is: 204,260.80
Step by Step Solution
- Step 1: Write the proportion equation
268,903.03 : 371,072.08 = 148,020.70 : x - Step 2: Convert to fraction form
268,903.03/371,072.08 = 148,020.70/x - Step 3: Cross multiply
268,903.03x = 371,072.08 × 148,020.70 - Step 4: Simplify right side
268,903.03x = 54,926,349,032.06 - Step 5: Solve for x
x = 54,926,349,032.06/268,903.03 - Step 6: Final answer
x = 204,260.80
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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.