Finding the Fourth Proportional to 185,121.70, 276,980.55 and 122,913.70
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Solution
The fourth proportional to 185,121.70, 276,980.55 and 122,913.70 is: 183,904.45
Step by Step Solution
- Step 1: Write the proportion equation
185,121.70 : 276,980.55 = 122,913.70 : x - Step 2: Convert to fraction form
185,121.70/276,980.55 = 122,913.70/x - Step 3: Cross multiply
185,121.70x = 276,980.55 × 122,913.70 - Step 4: Simplify right side
185,121.70x = 34,044,704,228.54 - Step 5: Solve for x
x = 34,044,704,228.54/185,121.70 - Step 6: Final answer
x = 183,904.45
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1.5x scale
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.