Finding the Fourth Proportional to 285,835.41, 393,462.84 and 247,055.58
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Solution
The fourth proportional to 285,835.41, 393,462.84 and 247,055.58 is: 340,080.99
Step by Step Solution
- Step 1: Write the proportion equation
285,835.41 : 393,462.84 = 247,055.58 : x - Step 2: Convert to fraction form
285,835.41/393,462.84 = 247,055.58/x - Step 3: Cross multiply
285,835.41x = 393,462.84 × 247,055.58 - Step 4: Simplify right side
285,835.41x = 97,207,190,144.65 - Step 5: Solve for x
x = 97,207,190,144.65/285,835.41 - Step 6: Final answer
x = 340,080.99
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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.