Finding the Fourth Proportional to 402,454.62, 555,106.23 and 341,605.53
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Solution
The fourth proportional to 402,454.62, 555,106.23 and 341,605.53 is: 471,176.99
Step by Step Solution
- Step 1: Write the proportion equation
402,454.62 : 555,106.23 = 341,605.53 : x - Step 2: Convert to fraction form
402,454.62/555,106.23 = 341,605.53/x - Step 3: Cross multiply
402,454.62x = 555,106.23 × 341,605.53 - Step 4: Simplify right side
402,454.62x = 189,627,357,905.45 - Step 5: Solve for x
x = 189,627,357,905.45/402,454.62 - Step 6: Final answer
x = 471,176.99
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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.