Finding the Fourth Proportional to 470,201.05, 705,420.96 and 217,663.66
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Solution
The fourth proportional to 470,201.05, 705,420.96 and 217,663.66 is: 326,550.76
Step by Step Solution
- Step 1: Write the proportion equation
470,201.05 : 705,420.96 = 217,663.66 : x - Step 2: Convert to fraction form
470,201.05/705,420.96 = 217,663.66/x - Step 3: Cross multiply
470,201.05x = 705,420.96 × 217,663.66 - Step 4: Simplify right side
470,201.05x = 153,544,507,994.31 - Step 5: Solve for x
x = 153,544,507,994.31/470,201.05 - Step 6: Final answer
x = 326,550.76
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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.