Finding the Fourth Proportional to 324,430.86, 444,462.85 and 312,301.56
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Solution
The fourth proportional to 324,430.86, 444,462.85 and 312,301.56 is: 427,845.99
Step by Step Solution
- Step 1: Write the proportion equation
324,430.86 : 444,462.85 = 312,301.56 : x - Step 2: Convert to fraction form
324,430.86/444,462.85 = 312,301.56/x - Step 3: Cross multiply
324,430.86x = 444,462.85 × 312,301.56 - Step 4: Simplify right side
324,430.86x = 138,806,441,417.05 - Step 5: Solve for x
x = 138,806,441,417.05/324,430.86 - Step 6: Final answer
x = 427,845.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.