Finding the Fourth Proportional to 430,509.04, 645,757.08 and 193,684.48
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Solution
The fourth proportional to 430,509.04, 645,757.08 and 193,684.48 is: 290,523.80
Step by Step Solution
- Step 1: Write the proportion equation
430,509.04 : 645,757.08 = 193,684.48 : x - Step 2: Convert to fraction form
430,509.04/645,757.08 = 193,684.48/x - Step 3: Cross multiply
430,509.04x = 645,757.08 × 193,684.48 - Step 4: Simplify right side
430,509.04x = 125,073,124,246.12 - Step 5: Solve for x
x = 125,073,124,246.12/430,509.04 - Step 6: Final answer
x = 290,523.80
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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.