Finding the Fourth Proportional to 152,285.76, 210,249.66 and 97,859.96
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Solution
The fourth proportional to 152,285.76, 210,249.66 and 97,859.96 is: 135,107.99
Step by Step Solution
- Step 1: Write the proportion equation
152,285.76 : 210,249.66 = 97,859.96 : x - Step 2: Convert to fraction form
152,285.76/210,249.66 = 97,859.96/x - Step 3: Cross multiply
152,285.76x = 210,249.66 × 97,859.96 - Step 4: Simplify right side
152,285.76x = 20,575,023,317.61 - Step 5: Solve for x
x = 20,575,023,317.61/152,285.76 - Step 6: Final answer
x = 135,107.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.