Finding the Fourth Proportional to 170,747.12, 235,638.91 and 94,277.07
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Solution
The fourth proportional to 170,747.12, 235,638.91 and 94,277.07 is: 130,106.71
Step by Step Solution
- Step 1: Write the proportion equation
170,747.12 : 235,638.91 = 94,277.07 : x - Step 2: Convert to fraction form
170,747.12/235,638.91 = 94,277.07/x - Step 3: Cross multiply
170,747.12x = 235,638.91 × 94,277.07 - Step 4: Simplify right side
170,747.12x = 22,215,346,462.05 - Step 5: Solve for x
x = 22,215,346,462.05/170,747.12 - Step 6: Final answer
x = 130,106.71
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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.