Finding the Fourth Proportional to 651,686.20, 977,237.70 and 252,194.20
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Solution
The fourth proportional to 651,686.20, 977,237.70 and 252,194.20 is: 378,178.45
Step by Step Solution
- Step 1: Write the proportion equation
651,686.20 : 977,237.70 = 252,194.20 : x - Step 2: Convert to fraction form
651,686.20/977,237.70 = 252,194.20/x - Step 3: Cross multiply
651,686.20x = 977,237.70 × 252,194.20 - Step 4: Simplify right side
651,686.20x = 246,453,679,961.34 - Step 5: Solve for x
x = 246,453,679,961.34/651,686.20 - Step 6: Final answer
x = 378,178.45
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1.5x scale
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.