Finding the Fourth Proportional to 122,671.30, 183,877.35 and 69,967.30
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Solution
The fourth proportional to 122,671.30, 183,877.35 and 69,967.30 is: 104,877.03
Step by Step Solution
- Step 1: Write the proportion equation
122,671.30 : 183,877.35 = 69,967.30 : x - Step 2: Convert to fraction form
122,671.30/183,877.35 = 69,967.30/x - Step 3: Cross multiply
122,671.30x = 183,877.35 × 69,967.30 - Step 4: Simplify right side
122,671.30x = 12,865,401,710.66 - Step 5: Solve for x
x = 12,865,401,710.66/122,671.30 - Step 6: Final answer
x = 104,877.03
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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.