Finding the Fourth Proportional to 368,991.30, 553,616.55 and 132,341.70
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Solution
The fourth proportional to 368,991.30, 553,616.55 and 132,341.70 is: 198,559.03
Step by Step Solution
- Step 1: Write the proportion equation
368,991.30 : 553,616.55 = 132,341.70 : x - Step 2: Convert to fraction form
368,991.30/553,616.55 = 132,341.70/x - Step 3: Cross multiply
368,991.30x = 553,616.55 × 132,341.70 - Step 4: Simplify right side
368,991.30x = 73,266,555,375.14 - Step 5: Solve for x
x = 73,266,555,375.14/368,991.30 - Step 6: Final answer
x = 198,559.03
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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.