Finding the Fourth Proportional to 245,256.12, 338,423.08 and 141,908.08
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Solution
The fourth proportional to 245,256.12, 338,423.08 and 141,908.08 is: 195,815.58
Step by Step Solution
- Step 1: Write the proportion equation
245,256.12 : 338,423.08 = 141,908.08 : x - Step 2: Convert to fraction form
245,256.12/338,423.08 = 141,908.08/x - Step 3: Cross multiply
245,256.12x = 338,423.08 × 141,908.08 - Step 4: Simplify right side
245,256.12x = 48,024,969,510.49 - Step 5: Solve for x
x = 48,024,969,510.49/245,256.12 - Step 6: Final answer
x = 195,815.58
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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.