Finding the Fourth Proportional to 245,353.14, 338,844.36 and 169,070.58
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Solution
The fourth proportional to 245,353.14, 338,844.36 and 169,070.58 is: 233,494.52
Step by Step Solution
- Step 1: Write the proportion equation
245,353.14 : 338,844.36 = 169,070.58 : x - Step 2: Convert to fraction form
245,353.14/338,844.36 = 169,070.58/x - Step 3: Cross multiply
245,353.14x = 338,844.36 × 169,070.58 - Step 4: Simplify right side
245,353.14x = 57,288,612,474.93 - Step 5: Solve for x
x = 57,288,612,474.93/245,353.14 - Step 6: Final answer
x = 233,494.52
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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.