Finding the Fourth Proportional to 238,079.36, 328,558.99 and 130,653.23
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Solution
The fourth proportional to 238,079.36, 328,558.99 and 130,653.23 is: 180,306.66
Step by Step Solution
- Step 1: Write the proportion equation
238,079.36 : 328,558.99 = 130,653.23 : x - Step 2: Convert to fraction form
238,079.36/328,558.99 = 130,653.23/x - Step 3: Cross multiply
238,079.36x = 328,558.99 × 130,653.23 - Step 4: Simplify right side
238,079.36x = 42,927,293,783.80 - Step 5: Solve for x
x = 42,927,293,783.80/238,079.36 - Step 6: Final answer
x = 180,306.66
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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.