Finding the Fourth Proportional to 499,625.12, 749,430.71 and 120,542.67
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Solution
The fourth proportional to 499,625.12, 749,430.71 and 120,542.67 is: 180,812.33
Step by Step Solution
- Step 1: Write the proportion equation
499,625.12 : 749,430.71 = 120,542.67 : x - Step 2: Convert to fraction form
499,625.12/749,430.71 = 120,542.67/x - Step 3: Cross multiply
499,625.12x = 749,430.71 × 120,542.67 - Step 4: Simplify right side
499,625.12x = 90,338,378,763.40 - Step 5: Solve for x
x = 90,338,378,763.40/499,625.12 - Step 6: Final answer
x = 180,812.33
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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.