Finding the Fourth Proportional to 199,266.64, 298,692.35 and 86,916.70
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Solution
The fourth proportional to 199,266.64, 298,692.35 and 86,916.70 is: 130,284.49
Step by Step Solution
- Step 1: Write the proportion equation
199,266.64 : 298,692.35 = 86,916.70 : x - Step 2: Convert to fraction form
199,266.64/298,692.35 = 86,916.70/x - Step 3: Cross multiply
199,266.64x = 298,692.35 × 86,916.70 - Step 4: Simplify right side
199,266.64x = 25,961,353,377.25 - Step 5: Solve for x
x = 25,961,353,377.25/199,266.64 - Step 6: Final answer
x = 130,284.49
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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.