Finding the Fourth Proportional to 338,412.60, 507,473.10 and 169,867.80
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Solution
The fourth proportional to 338,412.60, 507,473.10 and 169,867.80 is: 254,728.52
Step by Step Solution
- Step 1: Write the proportion equation
338,412.60 : 507,473.10 = 169,867.80 : x - Step 2: Convert to fraction form
338,412.60/507,473.10 = 169,867.80/x - Step 3: Cross multiply
338,412.60x = 507,473.10 × 169,867.80 - Step 4: Simplify right side
338,412.60x = 86,203,339,056.18 - Step 5: Solve for x
x = 86,203,339,056.18/338,412.60 - Step 6: Final answer
x = 254,728.52
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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.