Finding the Fourth Proportional to 238,246.98, 328,778.55 and 130,816.07
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Solution
The fourth proportional to 238,246.98, 328,778.55 and 130,816.07 is: 180,524.92
Step by Step Solution
- Step 1: Write the proportion equation
238,246.98 : 328,778.55 = 130,816.07 : x - Step 2: Convert to fraction form
238,246.98/328,778.55 = 130,816.07/x - Step 3: Cross multiply
238,246.98x = 328,778.55 × 130,816.07 - Step 4: Simplify right side
238,246.98x = 43,009,516,167.41 - Step 5: Solve for x
x = 43,009,516,167.41/238,246.98 - Step 6: Final answer
x = 180,524.92
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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.