Finding the Fourth Proportional to 292,934.56, 439,207.36 and 105,921.76
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Solution
The fourth proportional to 292,934.56, 439,207.36 and 105,921.76 is: 158,812.32
Step by Step Solution
- Step 1: Write the proportion equation
292,934.56 : 439,207.36 = 105,921.76 : x - Step 2: Convert to fraction form
292,934.56/439,207.36 = 105,921.76/x - Step 3: Cross multiply
292,934.56x = 439,207.36 × 105,921.76 - Step 4: Simplify right side
292,934.56x = 46,521,616,576.15 - Step 5: Solve for x
x = 46,521,616,576.15/292,934.56 - Step 6: Final answer
x = 158,812.32
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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.