Finding the Fourth Proportional to 486,037.67, 729,056.51 and 153,587.75
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Solution
The fourth proportional to 486,037.67, 729,056.51 and 153,587.75 is: 230,381.63
Step by Step Solution
- Step 1: Write the proportion equation
486,037.67 : 729,056.51 = 153,587.75 : x - Step 2: Convert to fraction form
486,037.67/729,056.51 = 153,587.75/x - Step 3: Cross multiply
486,037.67x = 729,056.51 × 153,587.75 - Step 4: Simplify right side
486,037.67x = 111,974,148,993.75 - Step 5: Solve for x
x = 111,974,148,993.75/486,037.67 - Step 6: Final answer
x = 230,381.63
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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.