Finding the Fourth Proportional to 615,554.20, 923,201.70 and 260,579.80
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Solution
The fourth proportional to 615,554.20, 923,201.70 and 260,579.80 is: 390,814.84
Step by Step Solution
- Step 1: Write the proportion equation
615,554.20 : 923,201.70 = 260,579.80 : x - Step 2: Convert to fraction form
615,554.20/923,201.70 = 260,579.80/x - Step 3: Cross multiply
615,554.20x = 923,201.70 × 260,579.80 - Step 4: Simplify right side
615,554.20x = 240,567,714,345.66 - Step 5: Solve for x
x = 240,567,714,345.66/615,554.20 - Step 6: Final answer
x = 390,814.84
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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.