Finding the Fourth Proportional to 226,285.93, 312,239.89 and 130,774.19
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Solution
The fourth proportional to 226,285.93, 312,239.89 and 130,774.19 is: 180,448.34
Step by Step Solution
- Step 1: Write the proportion equation
226,285.93 : 312,239.89 = 130,774.19 : x - Step 2: Convert to fraction form
226,285.93/312,239.89 = 130,774.19/x - Step 3: Cross multiply
226,285.93x = 312,239.89 × 130,774.19 - Step 4: Simplify right side
226,285.93x = 40,832,919,154.10 - Step 5: Solve for x
x = 40,832,919,154.10/226,285.93 - Step 6: Final answer
x = 180,448.34
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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.