Finding the Fourth Proportional to 452,770.68, 679,155.30 and 120,346.68
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Solution
The fourth proportional to 452,770.68, 679,155.30 and 120,346.68 is: 180,519.83
Step by Step Solution
- Step 1: Write the proportion equation
452,770.68 : 679,155.30 = 120,346.68 : x - Step 2: Convert to fraction form
452,770.68/679,155.30 = 120,346.68/x - Step 3: Cross multiply
452,770.68x = 679,155.30 × 120,346.68 - Step 4: Simplify right side
452,770.68x = 81,734,085,559.40 - Step 5: Solve for x
x = 81,734,085,559.40/452,770.68 - Step 6: Final answer
x = 180,519.83
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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.