Finding the Fourth Proportional to 286,358.34, 396,030.84 and 250,486.08
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Solution
The fourth proportional to 286,358.34, 396,030.84 and 250,486.08 is: 346,419.85
Step by Step Solution
- Step 1: Write the proportion equation
286,358.34 : 396,030.84 = 250,486.08 : x - Step 2: Convert to fraction form
286,358.34/396,030.84 = 250,486.08/x - Step 3: Cross multiply
286,358.34x = 396,030.84 × 250,486.08 - Step 4: Simplify right side
286,358.34x = 99,200,212,670.71 - Step 5: Solve for x
x = 99,200,212,670.71/286,358.34 - Step 6: Final answer
x = 346,419.85
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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.