Finding the Fourth Proportional to 438,374.76, 656,980.83 and 225,134.07
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Solution
The fourth proportional to 438,374.76, 656,980.83 and 225,134.07 is: 337,402.56
Step by Step Solution
- Step 1: Write the proportion equation
438,374.76 : 656,980.83 = 225,134.07 : x - Step 2: Convert to fraction form
438,374.76/656,980.83 = 225,134.07/x - Step 3: Cross multiply
438,374.76x = 656,980.83 × 225,134.07 - Step 4: Simplify right side
438,374.76x = 147,908,768,169.88 - Step 5: Solve for x
x = 147,908,768,169.88/438,374.76 - Step 6: Final answer
x = 337,402.56
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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.