Finding the Fourth Proportional to 301,257.68, 415,771.08 and 167,130.32
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Solution
The fourth proportional to 301,257.68, 415,771.08 and 167,130.32 is: 230,659.53
Step by Step Solution
- Step 1: Write the proportion equation
301,257.68 : 415,771.08 = 167,130.32 : x - Step 2: Convert to fraction form
301,257.68/415,771.08 = 167,130.32/x - Step 3: Cross multiply
301,257.68x = 415,771.08 × 167,130.32 - Step 4: Simplify right side
301,257.68x = 69,487,953,647.15 - Step 5: Solve for x
x = 69,487,953,647.15/301,257.68 - Step 6: Final answer
x = 230,659.53
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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.