Finding the Fourth Proportional to 110,469.06, 152,398.81 and 74,646.02
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Solution
The fourth proportional to 110,469.06, 152,398.81 and 74,646.02 is: 102,978.74
Step by Step Solution
- Step 1: Write the proportion equation
110,469.06 : 152,398.81 = 74,646.02 : x - Step 2: Convert to fraction form
110,469.06/152,398.81 = 74,646.02/x - Step 3: Cross multiply
110,469.06x = 152,398.81 × 74,646.02 - Step 4: Simplify right side
110,469.06x = 11,375,964,619.24 - Step 5: Solve for x
x = 11,375,964,619.24/110,469.06 - Step 6: Final answer
x = 102,978.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.