Finding the Fourth Proportional to 246,823.17, 340,616.21 and 133,645.65
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Solution
The fourth proportional to 246,823.17, 340,616.21 and 133,645.65 is: 184,431.12
Step by Step Solution
- Step 1: Write the proportion equation
246,823.17 : 340,616.21 = 133,645.65 : x - Step 2: Convert to fraction form
246,823.17/340,616.21 = 133,645.65/x - Step 3: Cross multiply
246,823.17x = 340,616.21 × 133,645.65 - Step 4: Simplify right side
246,823.17x = 45,521,874,785.99 - Step 5: Solve for x
x = 45,521,874,785.99/246,823.17 - Step 6: Final answer
x = 184,431.12
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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.