Finding the Fourth Proportional to 469,267.53, 648,123.79 and 318,102.09
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Solution
The fourth proportional to 469,267.53, 648,123.79 and 318,102.09 is: 439,343.28
Step by Step Solution
- Step 1: Write the proportion equation
469,267.53 : 648,123.79 = 318,102.09 : x - Step 2: Convert to fraction form
469,267.53/648,123.79 = 318,102.09/x - Step 3: Cross multiply
469,267.53x = 648,123.79 × 318,102.09 - Step 4: Simplify right side
469,267.53x = 206,169,534,180.76 - Step 5: Solve for x
x = 206,169,534,180.76/469,267.53 - Step 6: Final answer
x = 439,343.28
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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.