Finding the Fourth Proportional to 145,267.14, 217,921.50 and 70,325.70
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Solution
The fourth proportional to 145,267.14, 217,921.50 and 70,325.70 is: 105,498.61
Step by Step Solution
- Step 1: Write the proportion equation
145,267.14 : 217,921.50 = 70,325.70 : x - Step 2: Convert to fraction form
145,267.14/217,921.50 = 70,325.70/x - Step 3: Cross multiply
145,267.14x = 217,921.50 × 70,325.70 - Step 4: Simplify right side
145,267.14x = 15,325,482,032.55 - Step 5: Solve for x
x = 15,325,482,032.55/145,267.14 - Step 6: Final answer
x = 105,498.61
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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.