Finding the Fourth Proportional to 480,178.08, 720,478.28 and 255,485.68
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Solution
The fourth proportional to 480,178.08, 720,478.28 and 255,485.68 is: 383,340.87
Step by Step Solution
- Step 1: Write the proportion equation
480,178.08 : 720,478.28 = 255,485.68 : x - Step 2: Convert to fraction form
480,178.08/720,478.28 = 255,485.68/x - Step 3: Cross multiply
480,178.08x = 720,478.28 × 255,485.68 - Step 4: Simplify right side
480,178.08x = 184,071,883,291.03 - Step 5: Solve for x
x = 184,071,883,291.03/480,178.08 - Step 6: Final answer
x = 383,340.87
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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.