Finding the Fourth Proportional to 462,293.26, 637,965.56 and 258,344.18
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Solution
The fourth proportional to 462,293.26, 637,965.56 and 258,344.18 is: 356,515.45
Step by Step Solution
- Step 1: Write the proportion equation
462,293.26 : 637,965.56 = 258,344.18 : x - Step 2: Convert to fraction form
462,293.26/637,965.56 = 258,344.18/x - Step 3: Cross multiply
462,293.26x = 637,965.56 × 258,344.18 - Step 4: Simplify right side
462,293.26x = 164,814,689,314.84 - Step 5: Solve for x
x = 164,814,689,314.84/462,293.26 - Step 6: Final answer
x = 356,515.45
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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.