Finding the Fourth Proportional to 384,041.14, 529,965.74 and 214,271.62
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Solution
The fourth proportional to 384,041.14, 529,965.74 and 214,271.62 is: 295,688.68
Step by Step Solution
- Step 1: Write the proportion equation
384,041.14 : 529,965.74 = 214,271.62 : x - Step 2: Convert to fraction form
384,041.14/529,965.74 = 214,271.62/x - Step 3: Cross multiply
384,041.14x = 529,965.74 × 214,271.62 - Step 4: Simplify right side
384,041.14x = 113,556,616,865.06 - Step 5: Solve for x
x = 113,556,616,865.06/384,041.14 - Step 6: Final answer
x = 295,688.68
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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.