Finding the Fourth Proportional to 377,070.42, 520,469.36 and 216,032.70
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Solution
The fourth proportional to 377,070.42, 520,469.36 and 216,032.70 is: 298,189.39
Step by Step Solution
- Step 1: Write the proportion equation
377,070.42 : 520,469.36 = 216,032.70 : x - Step 2: Convert to fraction form
377,070.42/520,469.36 = 216,032.70/x - Step 3: Cross multiply
377,070.42x = 520,469.36 × 216,032.70 - Step 4: Simplify right side
377,070.42x = 112,438,400,027.91 - Step 5: Solve for x
x = 112,438,400,027.91/377,070.42 - Step 6: Final answer
x = 298,189.39
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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.