Finding the Fourth Proportional to 301,214.91, 451,528.61 and 143,400.99
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Solution
The fourth proportional to 301,214.91, 451,528.61 and 143,400.99 is: 214,961.63
Step by Step Solution
- Step 1: Write the proportion equation
301,214.91 : 451,528.61 = 143,400.99 : x - Step 2: Convert to fraction form
301,214.91/451,528.61 = 143,400.99/x - Step 3: Cross multiply
301,214.91x = 451,528.61 × 143,400.99 - Step 4: Simplify right side
301,214.91x = 64,749,648,970.32 - Step 5: Solve for x
x = 64,749,648,970.32/301,214.91 - Step 6: Final answer
x = 214,961.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.