Finding the Fourth Proportional to 380,652.55, 570,934.36 and 152,938.99
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Solution
The fourth proportional to 380,652.55, 570,934.36 and 152,938.99 is: 229,390.61
Step by Step Solution
- Step 1: Write the proportion equation
380,652.55 : 570,934.36 = 152,938.99 : x - Step 2: Convert to fraction form
380,652.55/570,934.36 = 152,938.99/x - Step 3: Cross multiply
380,652.55x = 570,934.36 × 152,938.99 - Step 4: Simplify right side
380,652.55x = 87,318,121,207.75 - Step 5: Solve for x
x = 87,318,121,207.75/380,652.55 - Step 6: Final answer
x = 229,390.61
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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.