Finding the Fourth Proportional to 652,292.20, 977,660.70 and 273,212.20
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Solution
The fourth proportional to 652,292.20, 977,660.70 and 273,212.20 is: 409,492.60
Step by Step Solution
- Step 1: Write the proportion equation
652,292.20 : 977,660.70 = 273,212.20 : x - Step 2: Convert to fraction form
652,292.20/977,660.70 = 273,212.20/x - Step 3: Cross multiply
652,292.20x = 977,660.70 × 273,212.20 - Step 4: Simplify right side
652,292.20x = 267,108,830,700.54 - Step 5: Solve for x
x = 267,108,830,700.54/652,292.20 - Step 6: Final answer
x = 409,492.60
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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.