Finding the Fourth Proportional to 581,445.18, 802,363.86 and 323,338.68
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Solution
The fourth proportional to 581,445.18, 802,363.86 and 323,338.68 is: 446,190.42
Step by Step Solution
- Step 1: Write the proportion equation
581,445.18 : 802,363.86 = 323,338.68 : x - Step 2: Convert to fraction form
581,445.18/802,363.86 = 323,338.68/x - Step 3: Cross multiply
581,445.18x = 802,363.86 × 323,338.68 - Step 4: Simplify right side
581,445.18x = 259,435,271,372.11 - Step 5: Solve for x
x = 259,435,271,372.11/581,445.18 - Step 6: Final answer
x = 446,190.42
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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.