Finding the Fourth Proportional to 469,331.28, 647,637.12 and 265,372.20
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Solution
The fourth proportional to 469,331.28, 647,637.12 and 265,372.20 is: 366,190.99
Step by Step Solution
- Step 1: Write the proportion equation
469,331.28 : 647,637.12 = 265,372.20 : x - Step 2: Convert to fraction form
469,331.28/647,637.12 = 265,372.20/x - Step 3: Cross multiply
469,331.28x = 647,637.12 × 265,372.20 - Step 4: Simplify right side
469,331.28x = 171,864,887,336.06 - Step 5: Solve for x
x = 171,864,887,336.06/469,331.28 - Step 6: Final answer
x = 366,190.99
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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.