Finding the Fourth Proportional to 513,214.70, 708,207.68 and 283,758.21
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Solution
The fourth proportional to 513,214.70, 708,207.68 and 283,758.21 is: 391,570.51
Step by Step Solution
- Step 1: Write the proportion equation
513,214.70 : 708,207.68 = 283,758.21 : x - Step 2: Convert to fraction form
513,214.70/708,207.68 = 283,758.21/x - Step 3: Cross multiply
513,214.70x = 708,207.68 × 283,758.21 - Step 4: Simplify right side
513,214.70x = 200,959,742,166.26 - Step 5: Solve for x
x = 200,959,742,166.26/513,214.70 - Step 6: Final answer
x = 391,570.51
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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.