Finding the Fourth Proportional to 396,988.24, 595,569.84 and 219,753.76
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Solution
The fourth proportional to 396,988.24, 595,569.84 and 219,753.76 is: 329,679.06
Step by Step Solution
- Step 1: Write the proportion equation
396,988.24 : 595,569.84 = 219,753.76 : x - Step 2: Convert to fraction form
396,988.24/595,569.84 = 219,753.76/x - Step 3: Cross multiply
396,988.24x = 595,569.84 × 219,753.76 - Step 4: Simplify right side
396,988.24x = 130,878,711,682.60 - Step 5: Solve for x
x = 130,878,711,682.60/396,988.24 - Step 6: Final answer
x = 329,679.06
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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.