Finding the Fourth Proportional to 748,143.19, 1,122,372.62 and 242,664.92
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Solution
The fourth proportional to 748,143.19, 1,122,372.62 and 242,664.92 is: 364,048.58
Step by Step Solution
- Step 1: Write the proportion equation
748,143.19 : 1,122,372.62 = 242,664.92 : x - Step 2: Convert to fraction form
748,143.19/1,122,372.62 = 242,664.92/x - Step 3: Cross multiply
748,143.19x = 1,122,372.62 × 242,664.92 - Step 4: Simplify right side
748,143.19x = 272,360,460,829.17 - Step 5: Solve for x
x = 272,360,460,829.17/748,143.19 - Step 6: Final answer
x = 364,048.58
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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.