Finding the Fourth Proportional to 225,603.21, 338,303.63 and 134,461.65
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Solution
The fourth proportional to 225,603.21, 338,303.63 and 134,461.65 is: 201,632.17
Step by Step Solution
- Step 1: Write the proportion equation
225,603.21 : 338,303.63 = 134,461.65 : x - Step 2: Convert to fraction form
225,603.21/338,303.63 = 134,461.65/x - Step 3: Cross multiply
225,603.21x = 338,303.63 × 134,461.65 - Step 4: Simplify right side
225,603.21x = 45,488,864,626.94 - Step 5: Solve for x
x = 45,488,864,626.94/225,603.21 - Step 6: Final answer
x = 201,632.17
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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.