Finding the Fourth Proportional to 246,934.84, 340,762.08 and 138,036.28
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Solution
The fourth proportional to 246,934.84, 340,762.08 and 138,036.28 is: 190,485.59
Step by Step Solution
- Step 1: Write the proportion equation
246,934.84 : 340,762.08 = 138,036.28 : x - Step 2: Convert to fraction form
246,934.84/340,762.08 = 138,036.28/x - Step 3: Cross multiply
246,934.84x = 340,762.08 × 138,036.28 - Step 4: Simplify right side
246,934.84x = 47,037,529,888.26 - Step 5: Solve for x
x = 47,037,529,888.26/246,934.84 - Step 6: Final answer
x = 190,485.59
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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.