Finding the Fourth Proportional to 489,642.60, 734,405.58 and 134,692.68
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Solution
The fourth proportional to 489,642.60, 734,405.58 and 134,692.68 is: 202,022.98
Step by Step Solution
- Step 1: Write the proportion equation
489,642.60 : 734,405.58 = 134,692.68 : x - Step 2: Convert to fraction form
489,642.60/734,405.58 = 134,692.68/x - Step 3: Cross multiply
489,642.60x = 734,405.58 × 134,692.68 - Step 4: Simplify right side
489,642.60x = 98,919,055,777.15 - Step 5: Solve for x
x = 98,919,055,777.15/489,642.60 - Step 6: Final answer
x = 202,022.98
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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.