Finding the Fourth Proportional to 518,098.14, 776,924.87 and 181,037.70
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Solution
The fourth proportional to 518,098.14, 776,924.87 and 181,037.70 is: 271,478.86
Step by Step Solution
- Step 1: Write the proportion equation
518,098.14 : 776,924.87 = 181,037.70 : x - Step 2: Convert to fraction form
518,098.14/776,924.87 = 181,037.70/x - Step 3: Cross multiply
518,098.14x = 776,924.87 × 181,037.70 - Step 4: Simplify right side
518,098.14x = 140,652,690,632.41 - Step 5: Solve for x
x = 140,652,690,632.41/518,098.14 - Step 6: Final answer
x = 271,478.86
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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.