Finding the Fourth Proportional to 226,266.09, 312,176.97 and 130,737.93
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Solution
The fourth proportional to 226,266.09, 312,176.97 and 130,737.93 is: 180,377.76
Step by Step Solution
- Step 1: Write the proportion equation
226,266.09 : 312,176.97 = 130,737.93 : x - Step 2: Convert to fraction form
226,266.09/312,176.97 = 130,737.93/x - Step 3: Cross multiply
226,266.09x = 312,176.97 × 130,737.93 - Step 4: Simplify right side
226,266.09x = 40,813,370,851.47 - Step 5: Solve for x
x = 40,813,370,851.47/226,266.09 - Step 6: Final answer
x = 180,377.76
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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.