Finding the Fourth Proportional to 471,489.08, 650,202.66 and 316,790.21
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Solution
The fourth proportional to 471,489.08, 650,202.66 and 316,790.21 is: 436,866.62
Step by Step Solution
- Step 1: Write the proportion equation
471,489.08 : 650,202.66 = 316,790.21 : x - Step 2: Convert to fraction form
471,489.08/650,202.66 = 316,790.21/x - Step 3: Cross multiply
471,489.08x = 650,202.66 × 316,790.21 - Step 4: Simplify right side
471,489.08x = 205,977,838,829.47 - Step 5: Solve for x
x = 205,977,838,829.47/471,489.08 - Step 6: Final answer
x = 436,866.62
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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.