Finding the Fourth Proportional to 342,149.80, 513,224.70 and 329,027.80
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Solution
The fourth proportional to 342,149.80, 513,224.70 and 329,027.80 is: 493,541.70
Step by Step Solution
- Step 1: Write the proportion equation
342,149.80 : 513,224.70 = 329,027.80 : x - Step 2: Convert to fraction form
342,149.80/513,224.70 = 329,027.80/x - Step 3: Cross multiply
342,149.80x = 513,224.70 × 329,027.80 - Step 4: Simplify right side
342,149.80x = 168,865,193,946.66 - Step 5: Solve for x
x = 168,865,193,946.66/342,149.80 - Step 6: Final answer
x = 493,541.70
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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.