Finding the Fourth Proportional to 307,573.80, 461,360.70 and 266,101.80
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Solution
The fourth proportional to 307,573.80, 461,360.70 and 266,101.80 is: 399,152.70
Step by Step Solution
- Step 1: Write the proportion equation
307,573.80 : 461,360.70 = 266,101.80 : x - Step 2: Convert to fraction form
307,573.80/461,360.70 = 266,101.80/x - Step 3: Cross multiply
307,573.80x = 461,360.70 × 266,101.80 - Step 4: Simplify right side
307,573.80x = 122,768,912,719.26 - Step 5: Solve for x
x = 122,768,912,719.26/307,573.80 - Step 6: Final answer
x = 399,152.70
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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.