Finding the Fourth Proportional to 513,992.03, 709,383.23 and 296,158.99
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Solution
The fourth proportional to 513,992.03, 709,383.23 and 296,158.99 is: 408,742.17
Step by Step Solution
- Step 1: Write the proportion equation
513,992.03 : 709,383.23 = 296,158.99 : x - Step 2: Convert to fraction form
513,992.03/709,383.23 = 296,158.99/x - Step 3: Cross multiply
513,992.03x = 709,383.23 × 296,158.99 - Step 4: Simplify right side
513,992.03x = 210,090,215,892.03 - Step 5: Solve for x
x = 210,090,215,892.03/513,992.03 - Step 6: Final answer
x = 408,742.17
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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.