Finding the Fourth Proportional to 287,302.02, 430,888.23 and 109,745.70
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Solution
The fourth proportional to 287,302.02, 430,888.23 and 109,745.70 is: 164,593.80
Step by Step Solution
- Step 1: Write the proportion equation
287,302.02 : 430,888.23 = 109,745.70 : x - Step 2: Convert to fraction form
287,302.02/430,888.23 = 109,745.70/x - Step 3: Cross multiply
287,302.02x = 430,888.23 × 109,745.70 - Step 4: Simplify right side
287,302.02x = 47,288,130,423.11 - Step 5: Solve for x
x = 47,288,130,423.11/287,302.02 - Step 6: Final answer
x = 164,593.80
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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.