Finding the Fourth Proportional to 342,162.14, 513,232.56 and 142,477.49
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Solution
The fourth proportional to 342,162.14, 513,232.56 and 142,477.49 is: 213,711.80
Step by Step Solution
- Step 1: Write the proportion equation
342,162.14 : 513,232.56 = 142,477.49 : x - Step 2: Convert to fraction form
342,162.14/513,232.56 = 142,477.49/x - Step 3: Cross multiply
342,162.14x = 513,232.56 × 142,477.49 - Step 4: Simplify right side
342,162.14x = 73,124,084,368.91 - Step 5: Solve for x
x = 73,124,084,368.91/342,162.14 - Step 6: Final answer
x = 213,711.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.