Finding the Fourth Proportional to 486,937.09, 730,484.12 and 149,977.63
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Solution
The fourth proportional to 486,937.09, 730,484.12 and 149,977.63 is: 224,990.62
Step by Step Solution
- Step 1: Write the proportion equation
486,937.09 : 730,484.12 = 149,977.63 : x - Step 2: Convert to fraction form
486,937.09/730,484.12 = 149,977.63/x - Step 3: Cross multiply
486,937.09x = 730,484.12 × 149,977.63 - Step 4: Simplify right side
486,937.09x = 109,556,277,070.24 - Step 5: Solve for x
x = 109,556,277,070.24/486,937.09 - Step 6: Final answer
x = 224,990.62
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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.