Finding the Fourth Proportional to 292,029.80, 438,044.70 and 114,542.60
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Solution
The fourth proportional to 292,029.80, 438,044.70 and 114,542.60 is: 171,813.90
Step by Step Solution
- Step 1: Write the proportion equation
292,029.80 : 438,044.70 = 114,542.60 : x - Step 2: Convert to fraction form
292,029.80/438,044.70 = 114,542.60/x - Step 3: Cross multiply
292,029.80x = 438,044.70 × 114,542.60 - Step 4: Simplify right side
292,029.80x = 50,174,778,854.22 - Step 5: Solve for x
x = 50,174,778,854.22/292,029.80 - Step 6: Final answer
x = 171,813.90
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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.