Finding the Fourth Proportional to 301,817.80, 452,726.70 and 80,201.80
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Solution
The fourth proportional to 301,817.80, 452,726.70 and 80,201.80 is: 120,302.70
Step by Step Solution
- Step 1: Write the proportion equation
301,817.80 : 452,726.70 = 80,201.80 : x - Step 2: Convert to fraction form
301,817.80/452,726.70 = 80,201.80/x - Step 3: Cross multiply
301,817.80x = 452,726.70 × 80,201.80 - Step 4: Simplify right side
301,817.80x = 36,309,496,248.06 - Step 5: Solve for x
x = 36,309,496,248.06/301,817.80 - Step 6: Final answer
x = 120,302.70
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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.