Finding the Fourth Proportional to 245,137.14, 338,271.08 and 137,725.08
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Solution
The fourth proportional to 245,137.14, 338,271.08 and 137,725.08 is: 190,050.40
Step by Step Solution
- Step 1: Write the proportion equation
245,137.14 : 338,271.08 = 137,725.08 : x - Step 2: Convert to fraction form
245,137.14/338,271.08 = 137,725.08/x - Step 3: Cross multiply
245,137.14x = 338,271.08 × 137,725.08 - Step 4: Simplify right side
245,137.14x = 46,588,411,554.69 - Step 5: Solve for x
x = 46,588,411,554.69/245,137.14 - Step 6: Final answer
x = 190,050.40
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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.