Finding the Fourth Proportional to 396,031.68, 546,346.62 and 234,893.52
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Solution
The fourth proportional to 396,031.68, 546,346.62 and 234,893.52 is: 324,048.02
Step by Step Solution
- Step 1: Write the proportion equation
396,031.68 : 546,346.62 = 234,893.52 : x - Step 2: Convert to fraction form
396,031.68/546,346.62 = 234,893.52/x - Step 3: Cross multiply
396,031.68x = 546,346.62 × 234,893.52 - Step 4: Simplify right side
396,031.68x = 128,333,280,711.90 - Step 5: Solve for x
x = 128,333,280,711.90/396,031.68 - Step 6: Final answer
x = 324,048.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.