Finding the Fourth Proportional to 411,709.17, 568,158.57 and 230,421.09
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Solution
The fourth proportional to 411,709.17, 568,158.57 and 230,421.09 is: 317,981.06
Step by Step Solution
- Step 1: Write the proportion equation
411,709.17 : 568,158.57 = 230,421.09 : x - Step 2: Convert to fraction form
411,709.17/568,158.57 = 230,421.09/x - Step 3: Cross multiply
411,709.17x = 568,158.57 × 230,421.09 - Step 4: Simplify right side
411,709.17x = 130,915,717,424.28 - Step 5: Solve for x
x = 130,915,717,424.28/411,709.17 - Step 6: Final answer
x = 317,981.06
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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.