Finding the Fourth Proportional to 238,477.98, 357,450.57 and 103,386.09
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Solution
The fourth proportional to 238,477.98, 357,450.57 and 103,386.09 is: 154,963.64
Step by Step Solution
- Step 1: Write the proportion equation
238,477.98 : 357,450.57 = 103,386.09 : x - Step 2: Convert to fraction form
238,477.98/357,450.57 = 103,386.09/x - Step 3: Cross multiply
238,477.98x = 357,450.57 × 103,386.09 - Step 4: Simplify right side
238,477.98x = 36,955,416,800.57 - Step 5: Solve for x
x = 36,955,416,800.57/238,477.98 - Step 6: Final answer
x = 154,963.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.