Finding the Fourth Proportional to 369,197.53, 509,538.94 and 216,294.05
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Solution
The fourth proportional to 369,197.53, 509,538.94 and 216,294.05 is: 298,512.95
Step by Step Solution
- Step 1: Write the proportion equation
369,197.53 : 509,538.94 = 216,294.05 : x - Step 2: Convert to fraction form
369,197.53/509,538.94 = 216,294.05/x - Step 3: Cross multiply
369,197.53x = 509,538.94 × 216,294.05 - Step 4: Simplify right side
369,197.53x = 110,210,241,698.42 - Step 5: Solve for x
x = 110,210,241,698.42/369,197.53 - Step 6: Final answer
x = 298,512.95
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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.