Finding the Fourth Proportional to 470,207.63, 648,902.58 and 263,484.74
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Solution
The fourth proportional to 470,207.63, 648,902.58 and 263,484.74 is: 363,617.94
Step by Step Solution
- Step 1: Write the proportion equation
470,207.63 : 648,902.58 = 263,484.74 : x - Step 2: Convert to fraction form
470,207.63/648,902.58 = 263,484.74/x - Step 3: Cross multiply
470,207.63x = 648,902.58 × 263,484.74 - Step 4: Simplify right side
470,207.63x = 170,975,926,259.21 - Step 5: Solve for x
x = 170,975,926,259.21/470,207.63 - Step 6: Final answer
x = 363,617.94
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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.