Finding the Fourth Proportional to 423,754.10, 584,784.93 and 230,163.68
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Solution
The fourth proportional to 423,754.10, 584,784.93 and 230,163.68 is: 317,628.20
Step by Step Solution
- Step 1: Write the proportion equation
423,754.10 : 584,784.93 = 230,163.68 : x - Step 2: Convert to fraction form
423,754.10/584,784.93 = 230,163.68/x - Step 3: Cross multiply
423,754.10x = 584,784.93 × 230,163.68 - Step 4: Simplify right side
423,754.10x = 134,596,248,573.42 - Step 5: Solve for x
x = 134,596,248,573.42/423,754.10 - Step 6: Final answer
x = 317,628.20
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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.