Finding the Fourth Proportional to 458,250.42, 687,409.35 and 121,288.80
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Solution
The fourth proportional to 458,250.42, 687,409.35 and 121,288.80 is: 181,942.12
Step by Step Solution
- Step 1: Write the proportion equation
458,250.42 : 687,409.35 = 121,288.80 : x - Step 2: Convert to fraction form
458,250.42/687,409.35 = 121,288.80/x - Step 3: Cross multiply
458,250.42x = 687,409.35 × 121,288.80 - Step 4: Simplify right side
458,250.42x = 83,375,054,563.84 - Step 5: Solve for x
x = 83,375,054,563.84/458,250.42 - Step 6: Final answer
x = 181,942.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.