Finding the Fourth Proportional to 376,930.58, 565,133.42 and 140,209.70
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Solution
The fourth proportional to 376,930.58, 565,133.42 and 140,209.70 is: 210,216.92
Step by Step Solution
- Step 1: Write the proportion equation
376,930.58 : 565,133.42 = 140,209.70 : x - Step 2: Convert to fraction form
376,930.58/565,133.42 = 140,209.70/x - Step 3: Cross multiply
376,930.58x = 565,133.42 × 140,209.70 - Step 4: Simplify right side
376,930.58x = 79,237,184,803.03 - Step 5: Solve for x
x = 79,237,184,803.03/376,930.58 - Step 6: Final answer
x = 210,216.92
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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.