Finding the Fourth Proportional to 384,566.26, 530,698.26 and 212,483.68
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Solution
The fourth proportional to 384,566.26, 530,698.26 and 212,483.68 is: 293,225.72
Step by Step Solution
- Step 1: Write the proportion equation
384,566.26 : 530,698.26 = 212,483.68 : x - Step 2: Convert to fraction form
384,566.26/530,698.26 = 212,483.68/x - Step 3: Cross multiply
384,566.26x = 530,698.26 × 212,483.68 - Step 4: Simplify right side
384,566.26x = 112,764,719,254.40 - Step 5: Solve for x
x = 112,764,719,254.40/384,566.26 - Step 6: Final answer
x = 293,225.72
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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.