Finding the Fourth Proportional to 509,638.74, 764,462.68 and 154,652.73
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Solution
The fourth proportional to 509,638.74, 764,462.68 and 154,652.73 is: 231,980.48
Step by Step Solution
- Step 1: Write the proportion equation
509,638.74 : 764,462.68 = 154,652.73 : x - Step 2: Convert to fraction form
509,638.74/764,462.68 = 154,652.73/x - Step 3: Cross multiply
509,638.74x = 764,462.68 × 154,652.73 - Step 4: Simplify right side
509,638.74x = 118,226,237,191.75 - Step 5: Solve for x
x = 118,226,237,191.75/509,638.74 - Step 6: Final answer
x = 231,980.48
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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.