Finding the Fourth Proportional to 470,543.79, 649,349.20 and 255,683.88
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Solution
The fourth proportional to 470,543.79, 649,349.20 and 255,683.88 is: 352,843.09
Step by Step Solution
- Step 1: Write the proportion equation
470,543.79 : 649,349.20 = 255,683.88 : x - Step 2: Convert to fraction form
470,543.79/649,349.20 = 255,683.88/x - Step 3: Cross multiply
470,543.79x = 649,349.20 × 255,683.88 - Step 4: Simplify right side
470,543.79x = 166,028,122,930.90 - Step 5: Solve for x
x = 166,028,122,930.90/470,543.79 - Step 6: Final answer
x = 352,843.09
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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.