Finding the Fourth Proportional to 283,228.20, 390,809.19 and 162,347.25
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Solution
The fourth proportional to 283,228.20, 390,809.19 and 162,347.25 is: 224,012.99
Step by Step Solution
- Step 1: Write the proportion equation
283,228.20 : 390,809.19 = 162,347.25 : x - Step 2: Convert to fraction form
283,228.20/390,809.19 = 162,347.25/x - Step 3: Cross multiply
283,228.20x = 390,809.19 × 162,347.25 - Step 4: Simplify right side
283,228.20x = 63,446,797,271.23 - Step 5: Solve for x
x = 63,446,797,271.23/283,228.20 - Step 6: Final answer
x = 224,012.99
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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.