Finding the Fourth Proportional to 245,246.52, 338,455.74 and 136,363.08
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Solution
The fourth proportional to 245,246.52, 338,455.74 and 136,363.08 is: 188,189.69
Step by Step Solution
- Step 1: Write the proportion equation
245,246.52 : 338,455.74 = 136,363.08 : x - Step 2: Convert to fraction form
245,246.52/338,455.74 = 136,363.08/x - Step 3: Cross multiply
245,246.52x = 338,455.74 × 136,363.08 - Step 4: Simplify right side
245,246.52x = 46,152,867,150.08 - Step 5: Solve for x
x = 46,152,867,150.08/245,246.52 - Step 6: Final answer
x = 188,189.69
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1.5x scale
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.