Finding the Fourth Proportional to 292,010.97, 438,030.81 and 142,379.17
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Solution
The fourth proportional to 292,010.97, 438,030.81 and 142,379.17 is: 213,575.75
Step by Step Solution
- Step 1: Write the proportion equation
292,010.97 : 438,030.81 = 142,379.17 : x - Step 2: Convert to fraction form
292,010.97/438,030.81 = 142,379.17/x - Step 3: Cross multiply
292,010.97x = 438,030.81 × 142,379.17 - Step 4: Simplify right side
292,010.97x = 62,366,462,467.59 - Step 5: Solve for x
x = 62,366,462,467.59/292,010.97 - Step 6: Final answer
x = 213,575.75
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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.