Finding the Fourth Proportional to 470,641.76, 705,565.36 and 204,201.44
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Solution
The fourth proportional to 470,641.76, 705,565.36 and 204,201.44 is: 306,129.79
Step by Step Solution
- Step 1: Write the proportion equation
470,641.76 : 705,565.36 = 204,201.44 : x - Step 2: Convert to fraction form
470,641.76/705,565.36 = 204,201.44/x - Step 3: Cross multiply
470,641.76x = 705,565.36 × 204,201.44 - Step 4: Simplify right side
470,641.76x = 144,077,462,526.12 - Step 5: Solve for x
x = 144,077,462,526.12/470,641.76 - Step 6: Final answer
x = 306,129.79
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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.