Finding the Fourth Proportional to 301,265.75, 415,746.75 and 167,129.75
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Solution
The fourth proportional to 301,265.75, 415,746.75 and 167,129.75 is: 230,639.06
Step by Step Solution
- Step 1: Write the proportion equation
301,265.75 : 415,746.75 = 167,129.75 : x - Step 2: Convert to fraction form
301,265.75/415,746.75 = 167,129.75/x - Step 3: Cross multiply
301,265.75x = 415,746.75 × 167,129.75 - Step 4: Simplify right side
301,265.75x = 69,483,650,390.81 - Step 5: Solve for x
x = 69,483,650,390.81/301,265.75 - Step 6: Final answer
x = 230,639.06
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1.5x scale
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.