Finding the Fourth Proportional to 353,298.36, 487,555.29 and 192,157.14
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Solution
The fourth proportional to 353,298.36, 487,555.29 and 192,157.14 is: 265,178.79
Step by Step Solution
- Step 1: Write the proportion equation
353,298.36 : 487,555.29 = 192,157.14 : x - Step 2: Convert to fraction form
353,298.36/487,555.29 = 192,157.14/x - Step 3: Cross multiply
353,298.36x = 487,555.29 × 192,157.14 - Step 4: Simplify right side
353,298.36x = 93,687,230,118.27 - Step 5: Solve for x
x = 93,687,230,118.27/353,298.36 - Step 6: Final answer
x = 265,178.79
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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.