Finding the Fourth Proportional to 353,122.44, 487,318.58 and 191,988.33
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Solution
The fourth proportional to 353,122.44, 487,318.58 and 191,988.33 is: 264,949.12
Step by Step Solution
- Step 1: Write the proportion equation
353,122.44 : 487,318.58 = 191,988.33 : x - Step 2: Convert to fraction form
353,122.44/487,318.58 = 191,988.33/x - Step 3: Cross multiply
353,122.44x = 487,318.58 × 191,988.33 - Step 4: Simplify right side
353,122.44x = 93,559,480,352.17 - Step 5: Solve for x
x = 93,559,480,352.17/353,122.44 - Step 6: Final answer
x = 264,949.12
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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.