Finding the Fourth Proportional to 260,655.84, 391,017.60 and 73,671.84
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Solution
The fourth proportional to 260,655.84, 391,017.60 and 73,671.84 is: 110,517.32
Step by Step Solution
- Step 1: Write the proportion equation
260,655.84 : 391,017.60 = 73,671.84 : x - Step 2: Convert to fraction form
260,655.84/391,017.60 = 73,671.84/x - Step 3: Cross multiply
260,655.84x = 391,017.60 × 73,671.84 - Step 4: Simplify right side
260,655.84x = 28,806,986,064.38 - Step 5: Solve for x
x = 28,806,986,064.38/260,655.84 - Step 6: Final answer
x = 110,517.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.