Finding the Fourth Proportional to 245,303.93, 338,316.84 and 172,947.94
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Solution
The fourth proportional to 245,303.93, 338,316.84 and 172,947.94 is: 238,525.33
Step by Step Solution
- Step 1: Write the proportion equation
245,303.93 : 338,316.84 = 172,947.94 : x - Step 2: Convert to fraction form
245,303.93/338,316.84 = 172,947.94/x - Step 3: Cross multiply
245,303.93x = 338,316.84 × 172,947.94 - Step 4: Simplify right side
245,303.93x = 58,511,200,545.31 - Step 5: Solve for x
x = 58,511,200,545.31/245,303.93 - Step 6: Final answer
x = 238,525.33
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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.