Finding the Fourth Proportional to 226,865.57, 313,068.96 and 124,890.21
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Solution
The fourth proportional to 226,865.57, 313,068.96 and 124,890.21 is: 172,345.45
Step by Step Solution
- Step 1: Write the proportion equation
226,865.57 : 313,068.96 = 124,890.21 : x - Step 2: Convert to fraction form
226,865.57/313,068.96 = 124,890.21/x - Step 3: Cross multiply
226,865.57x = 313,068.96 × 124,890.21 - Step 4: Simplify right side
226,865.57x = 39,099,248,158.88 - Step 5: Solve for x
x = 39,099,248,158.88/226,865.57 - Step 6: Final answer
x = 172,345.45
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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.