Finding the Fourth Proportional to 302,877.54, 417,687.51 and 239,367.06
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Solution
The fourth proportional to 302,877.54, 417,687.51 and 239,367.06 is: 330,102.49
Step by Step Solution
- Step 1: Write the proportion equation
302,877.54 : 417,687.51 = 239,367.06 : x - Step 2: Convert to fraction form
302,877.54/417,687.51 = 239,367.06/x - Step 3: Cross multiply
302,877.54x = 417,687.51 × 239,367.06 - Step 4: Simplify right side
302,877.54x = 99,980,631,267.42 - Step 5: Solve for x
x = 99,980,631,267.42/302,877.54 - Step 6: Final answer
x = 330,102.49
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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.