Finding the Fourth Proportional to 110,398.64, 165,574.47 and 31,491.68
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Solution
The fourth proportional to 110,398.64, 165,574.47 and 31,491.68 is: 47,230.82
Step by Step Solution
- Step 1: Write the proportion equation
110,398.64 : 165,574.47 = 31,491.68 : x - Step 2: Convert to fraction form
110,398.64/165,574.47 = 31,491.68/x - Step 3: Cross multiply
110,398.64x = 165,574.47 × 31,491.68 - Step 4: Simplify right side
110,398.64x = 5,214,218,225.41 - Step 5: Solve for x
x = 5,214,218,225.41/110,398.64 - Step 6: Final answer
x = 47,230.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.