Finding the Fourth Proportional to 329,398.21, 454,386.95 and 191,562.05
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Solution
The fourth proportional to 329,398.21, 454,386.95 and 191,562.05 is: 264,249.44
Step by Step Solution
- Step 1: Write the proportion equation
329,398.21 : 454,386.95 = 191,562.05 : x - Step 2: Convert to fraction form
329,398.21/454,386.95 = 191,562.05/x - Step 3: Cross multiply
329,398.21x = 454,386.95 × 191,562.05 - Step 4: Simplify right side
329,398.21x = 87,043,293,363.31 - Step 5: Solve for x
x = 87,043,293,363.31/329,398.21 - Step 6: Final answer
x = 264,249.44
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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.