Finding the Fourth Proportional to 260,320.86, 390,201.84 and 110,434.68
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Solution
The fourth proportional to 260,320.86, 390,201.84 and 110,434.68 is: 165,533.47
Step by Step Solution
- Step 1: Write the proportion equation
260,320.86 : 390,201.84 = 110,434.68 : x - Step 2: Convert to fraction form
260,320.86/390,201.84 = 110,434.68/x - Step 3: Cross multiply
260,320.86x = 390,201.84 × 110,434.68 - Step 4: Simplify right side
260,320.86x = 43,091,815,335.81 - Step 5: Solve for x
x = 43,091,815,335.81/260,320.86 - Step 6: Final answer
x = 165,533.47
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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.