Finding the Fourth Proportional to 520,246.08, 780,431.64 and 183,217.08
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Solution
The fourth proportional to 520,246.08, 780,431.64 and 183,217.08 is: 274,847.64
Step by Step Solution
- Step 1: Write the proportion equation
520,246.08 : 780,431.64 = 183,217.08 : x - Step 2: Convert to fraction form
520,246.08/780,431.64 = 183,217.08/x - Step 3: Cross multiply
520,246.08x = 780,431.64 × 183,217.08 - Step 4: Simplify right side
520,246.08x = 142,988,406,220.41 - Step 5: Solve for x
x = 142,988,406,220.41/520,246.08 - Step 6: Final answer
x = 274,847.64
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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.