Finding the Fourth Proportional to 312,358.25, 468,730.16 and 122,785.44
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Solution
The fourth proportional to 312,358.25, 468,730.16 and 122,785.44 is: 184,253.94
Step by Step Solution
- Step 1: Write the proportion equation
312,358.25 : 468,730.16 = 122,785.44 : x - Step 2: Convert to fraction form
312,358.25/468,730.16 = 122,785.44/x - Step 3: Cross multiply
312,358.25x = 468,730.16 × 122,785.44 - Step 4: Simplify right side
312,358.25x = 57,553,238,322.94 - Step 5: Solve for x
x = 57,553,238,322.94/312,358.25 - Step 6: Final answer
x = 184,253.94
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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.