Finding the Fourth Proportional to 342,203.58, 513,392.97 and 142,457.58
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Solution
The fourth proportional to 342,203.58, 513,392.97 and 142,457.58 is: 213,722.84
Step by Step Solution
- Step 1: Write the proportion equation
342,203.58 : 513,392.97 = 142,457.58 : x - Step 2: Convert to fraction form
342,203.58/513,392.97 = 142,457.58/x - Step 3: Cross multiply
342,203.58x = 513,392.97 × 142,457.58 - Step 4: Simplify right side
342,203.58x = 73,136,720,095.21 - Step 5: Solve for x
x = 73,136,720,095.21/342,203.58 - Step 6: Final answer
x = 213,722.84
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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.