Finding the Fourth Proportional to 361,867.24, 498,917.86 and 258,624.84
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Solution
The fourth proportional to 361,867.24, 498,917.86 and 258,624.84 is: 356,574.28
Step by Step Solution
- Step 1: Write the proportion equation
361,867.24 : 498,917.86 = 258,624.84 : x - Step 2: Convert to fraction form
361,867.24/498,917.86 = 258,624.84/x - Step 3: Cross multiply
361,867.24x = 498,917.86 × 258,624.84 - Step 4: Simplify right side
361,867.24x = 129,032,551,715.64 - Step 5: Solve for x
x = 129,032,551,715.64/361,867.24 - Step 6: Final answer
x = 356,574.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.