Finding the Fourth Proportional to 292,918.10, 439,435.91 and 124,437.08
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Solution
The fourth proportional to 292,918.10, 439,435.91 and 124,437.08 is: 186,680.59
Step by Step Solution
- Step 1: Write the proportion equation
292,918.10 : 439,435.91 = 124,437.08 : x - Step 2: Convert to fraction form
292,918.10/439,435.91 = 124,437.08/x - Step 3: Cross multiply
292,918.10x = 439,435.91 × 124,437.08 - Step 4: Simplify right side
292,918.10x = 54,682,122,897.23 - Step 5: Solve for x
x = 54,682,122,897.23/292,918.10 - Step 6: Final answer
x = 186,680.59
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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.