Finding the Fourth Proportional to 430,507.04, 645,754.08 and 193,682.48
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Solution
The fourth proportional to 430,507.04, 645,754.08 and 193,682.48 is: 290,520.80
Step by Step Solution
- Step 1: Write the proportion equation
430,507.04 : 645,754.08 = 193,682.48 : x - Step 2: Convert to fraction form
430,507.04/645,754.08 = 193,682.48/x - Step 3: Cross multiply
430,507.04x = 645,754.08 × 193,682.48 - Step 4: Simplify right side
430,507.04x = 125,071,251,684.52 - Step 5: Solve for x
x = 125,071,251,684.52/430,507.04 - Step 6: Final answer
x = 290,520.80
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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.