Finding the Fourth Proportional to 462,790.28, 638,651.99 and 258,844.66
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Solution
The fourth proportional to 462,790.28, 638,651.99 and 258,844.66 is: 357,206.42
Step by Step Solution
- Step 1: Write the proportion equation
462,790.28 : 638,651.99 = 258,844.66 : x - Step 2: Convert to fraction form
462,790.28/638,651.99 = 258,844.66/x - Step 3: Cross multiply
462,790.28x = 638,651.99 × 258,844.66 - Step 4: Simplify right side
462,790.28x = 165,311,657,209.87 - Step 5: Solve for x
x = 165,311,657,209.87/462,790.28 - Step 6: Final answer
x = 357,206.42
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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.