Finding the Fourth Proportional to 353,026.90, 487,177.23 and 191,881.99
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Solution
The fourth proportional to 353,026.90, 487,177.23 and 191,881.99 is: 264,797.20
Step by Step Solution
- Step 1: Write the proportion equation
353,026.90 : 487,177.23 = 191,881.99 : x - Step 2: Convert to fraction form
353,026.90/487,177.23 = 191,881.99/x - Step 3: Cross multiply
353,026.90x = 487,177.23 × 191,881.99 - Step 4: Simplify right side
353,026.90x = 93,480,536,375.09 - Step 5: Solve for x
x = 93,480,536,375.09/353,026.90 - Step 6: Final answer
x = 264,797.20
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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.