Finding the Fourth Proportional to 470,444.18, 649,209.49 and 255,586.01
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Solution
The fourth proportional to 470,444.18, 649,209.49 and 255,586.01 is: 352,706.80
Step by Step Solution
- Step 1: Write the proportion equation
470,444.18 : 649,209.49 = 255,586.01 : x - Step 2: Convert to fraction form
470,444.18/649,209.49 = 255,586.01/x - Step 3: Cross multiply
470,444.18x = 649,209.49 × 255,586.01 - Step 4: Simplify right side
470,444.18x = 165,928,859,318.22 - Step 5: Solve for x
x = 165,928,859,318.22/470,444.18 - Step 6: Final answer
x = 352,706.80
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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.