Finding the Fourth Proportional to 310,256.30, 465,126.09 and 120,672.09
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Solution
The fourth proportional to 310,256.30, 465,126.09 and 120,672.09 is: 180,907.65
Step by Step Solution
- Step 1: Write the proportion equation
310,256.30 : 465,126.09 = 120,672.09 : x - Step 2: Convert to fraction form
310,256.30/465,126.09 = 120,672.09/x - Step 3: Cross multiply
310,256.30x = 465,126.09 × 120,672.09 - Step 4: Simplify right side
310,256.30x = 56,127,737,393.83 - Step 5: Solve for x
x = 56,127,737,393.83/310,256.30 - Step 6: Final answer
x = 180,907.65
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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.