Finding the Fourth Proportional to 307,564.70, 461,347.05 and 274,322.30
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Solution
The fourth proportional to 307,564.70, 461,347.05 and 274,322.30 is: 411,483.45
Step by Step Solution
- Step 1: Write the proportion equation
307,564.70 : 461,347.05 = 274,322.30 : x - Step 2: Convert to fraction form
307,564.70/461,347.05 = 274,322.30/x - Step 3: Cross multiply
307,564.70x = 461,347.05 × 274,322.30 - Step 4: Simplify right side
307,564.70x = 126,557,783,854.22 - Step 5: Solve for x
x = 126,557,783,854.22/307,564.70 - Step 6: Final answer
x = 411,483.45
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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.