Finding the Fourth Proportional to 470,585.20, 649,407.08 and 255,724.80
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Solution
The fourth proportional to 470,585.20, 649,407.08 and 255,724.80 is: 352,899.96
Step by Step Solution
- Step 1: Write the proportion equation
470,585.20 : 649,407.08 = 255,724.80 : x - Step 2: Convert to fraction form
470,585.20/649,407.08 = 255,724.80/x - Step 3: Cross multiply
470,585.20x = 649,407.08 × 255,724.80 - Step 4: Simplify right side
470,585.20x = 166,069,494,372.96 - Step 5: Solve for x
x = 166,069,494,372.96/470,585.20 - Step 6: Final answer
x = 352,899.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.