Finding the Fourth Proportional to 353,595.21, 487,954.58 and 192,453.81
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Solution
The fourth proportional to 353,595.21, 487,954.58 and 192,453.81 is: 265,582.55
Step by Step Solution
- Step 1: Write the proportion equation
353,595.21 : 487,954.58 = 192,453.81 : x - Step 2: Convert to fraction form
353,595.21/487,954.58 = 192,453.81/x - Step 3: Cross multiply
353,595.21x = 487,954.58 × 192,453.81 - Step 4: Simplify right side
353,595.21x = 93,908,717,065.68 - Step 5: Solve for x
x = 93,908,717,065.68/353,595.21 - Step 6: Final answer
x = 265,582.55
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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.