Finding the Fourth Proportional to 162,590.10, 243,848.70 and 106,821.60
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Solution
The fourth proportional to 162,590.10, 243,848.70 and 106,821.60 is: 160,208.45
Step by Step Solution
- Step 1: Write the proportion equation
162,590.10 : 243,848.70 = 106,821.60 : x - Step 2: Convert to fraction form
162,590.10/243,848.70 = 106,821.60/x - Step 3: Cross multiply
162,590.10x = 243,848.70 × 106,821.60 - Step 4: Simplify right side
162,590.10x = 26,048,308,291.92 - Step 5: Solve for x
x = 26,048,308,291.92/162,590.10 - Step 6: Final answer
x = 160,208.45
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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.