Finding the Fourth Proportional to 168,023.10, 252,034.65 and 157,655.10
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Solution
The fourth proportional to 168,023.10, 252,034.65 and 157,655.10 is: 236,482.65
Step by Step Solution
- Step 1: Write the proportion equation
168,023.10 : 252,034.65 = 157,655.10 : x - Step 2: Convert to fraction form
168,023.10/252,034.65 = 157,655.10/x - Step 3: Cross multiply
168,023.10x = 252,034.65 × 157,655.10 - Step 4: Simplify right side
168,023.10x = 39,734,547,949.22 - Step 5: Solve for x
x = 39,734,547,949.22/168,023.10 - Step 6: Final answer
x = 236,482.65
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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.