Finding the Fourth Proportional to 509,555.84, 764,335.60 and 154,572.96
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Solution
The fourth proportional to 509,555.84, 764,335.60 and 154,572.96 is: 231,860.00
Step by Step Solution
- Step 1: Write the proportion equation
509,555.84 : 764,335.60 = 154,572.96 : x - Step 2: Convert to fraction form
509,555.84/764,335.60 = 154,572.96/x - Step 3: Cross multiply
509,555.84x = 764,335.60 × 154,572.96 - Step 4: Simplify right side
509,555.84x = 118,145,616,125.38 - Step 5: Solve for x
x = 118,145,616,125.38/509,555.84 - Step 6: Final answer
x = 231,860.00
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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.