Finding the Fourth Proportional to 377,438.95, 520,880.08 and 216,325.09
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Solution
The fourth proportional to 377,438.95, 520,880.08 and 216,325.09 is: 298,536.84
Step by Step Solution
- Step 1: Write the proportion equation
377,438.95 : 520,880.08 = 216,325.09 : x - Step 2: Convert to fraction form
377,438.95/520,880.08 = 216,325.09/x - Step 3: Cross multiply
377,438.95x = 520,880.08 × 216,325.09 - Step 4: Simplify right side
377,438.95x = 112,679,430,185.21 - Step 5: Solve for x
x = 112,679,430,185.21/377,438.95 - Step 6: Final answer
x = 298,536.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.