Finding the Fourth Proportional to 513,930.79, 709,299.14 and 296,097.09
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Solution
The fourth proportional to 513,930.79, 709,299.14 and 296,097.09 is: 408,656.99
Step by Step Solution
- Step 1: Write the proportion equation
513,930.79 : 709,299.14 = 296,097.09 : x - Step 2: Convert to fraction form
513,930.79/709,299.14 = 296,097.09/x - Step 3: Cross multiply
513,930.79x = 709,299.14 × 296,097.09 - Step 4: Simplify right side
513,930.79x = 210,021,411,293.50 - Step 5: Solve for x
x = 210,021,411,293.50/513,930.79 - Step 6: Final answer
x = 408,656.99
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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.