Finding the Fourth Proportional to 242,688.24, 334,830.60 and 135,237.96
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Solution
The fourth proportional to 242,688.24, 334,830.60 and 135,237.96 is: 186,584.27
Step by Step Solution
- Step 1: Write the proportion equation
242,688.24 : 334,830.60 = 135,237.96 : x - Step 2: Convert to fraction form
242,688.24/334,830.60 = 135,237.96/x - Step 3: Cross multiply
242,688.24x = 334,830.60 × 135,237.96 - Step 4: Simplify right side
242,688.24x = 45,281,807,289.58 - Step 5: Solve for x
x = 45,281,807,289.58/242,688.24 - Step 6: Final answer
x = 186,584.27
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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.