Finding the Fourth Proportional to 270,303.60, 405,657.36 and 101,989.92
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Solution
The fourth proportional to 270,303.60, 405,657.36 and 101,989.92 is: 153,061.08
Step by Step Solution
- Step 1: Write the proportion equation
270,303.60 : 405,657.36 = 101,989.92 : x - Step 2: Convert to fraction form
270,303.60/405,657.36 = 101,989.92/x - Step 3: Cross multiply
270,303.60x = 405,657.36 × 101,989.92 - Step 4: Simplify right side
270,303.60x = 41,372,961,693.81 - Step 5: Solve for x
x = 41,372,961,693.81/270,303.60 - Step 6: Final answer
x = 153,061.08
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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.