Finding the Fourth Proportional to 514,398.21, 771,315.44 and 159,313.65
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Solution
The fourth proportional to 514,398.21, 771,315.44 and 159,313.65 is: 238,883.17
Step by Step Solution
- Step 1: Write the proportion equation
514,398.21 : 771,315.44 = 159,313.65 : x - Step 2: Convert to fraction form
514,398.21/771,315.44 = 159,313.65/x - Step 3: Cross multiply
514,398.21x = 771,315.44 × 159,313.65 - Step 4: Simplify right side
514,398.21x = 122,881,077,251.19 - Step 5: Solve for x
x = 122,881,077,251.19/514,398.21 - Step 6: Final answer
x = 238,883.17
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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.