Finding the Fourth Proportional to 101,454.84, 152,189.58 and 31,325.08
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Solution
The fourth proportional to 101,454.84, 152,189.58 and 31,325.08 is: 46,989.88
Step by Step Solution
- Step 1: Write the proportion equation
101,454.84 : 152,189.58 = 31,325.08 : x - Step 2: Convert to fraction form
101,454.84/152,189.58 = 31,325.08/x - Step 3: Cross multiply
101,454.84x = 152,189.58 × 31,325.08 - Step 4: Simplify right side
101,454.84x = 4,767,350,768.67 - Step 5: Solve for x
x = 4,767,350,768.67/101,454.84 - Step 6: Final answer
x = 46,989.88
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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.