Finding the Fourth Proportional to 353,048.20, 487,209.42 and 191,903.20
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Solution
The fourth proportional to 353,048.20, 487,209.42 and 191,903.20 is: 264,827.99
Step by Step Solution
- Step 1: Write the proportion equation
353,048.20 : 487,209.42 = 191,903.20 : x - Step 2: Convert to fraction form
353,048.20/487,209.42 = 191,903.20/x - Step 3: Cross multiply
353,048.20x = 487,209.42 × 191,903.20 - Step 4: Simplify right side
353,048.20x = 93,497,046,768.14 - Step 5: Solve for x
x = 93,497,046,768.14/353,048.20 - Step 6: Final answer
x = 264,827.99
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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.