Finding the Fourth Proportional to 167,964.16, 251,565.36 and 130,221.76
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Solution
The fourth proportional to 167,964.16, 251,565.36 and 130,221.76 is: 195,037.35
Step by Step Solution
- Step 1: Write the proportion equation
167,964.16 : 251,565.36 = 130,221.76 : x - Step 2: Convert to fraction form
167,964.16/251,565.36 = 130,221.76/x - Step 3: Cross multiply
167,964.16x = 251,565.36 × 130,221.76 - Step 4: Simplify right side
167,964.16x = 32,759,283,934.23 - Step 5: Solve for x
x = 32,759,283,934.23/167,964.16 - Step 6: Final answer
x = 195,037.35
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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.