Finding the Fourth Proportional to 430,729.62, 646,390.08 and 150,246.90
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Solution
The fourth proportional to 430,729.62, 646,390.08 and 150,246.90 is: 225,473.48
Step by Step Solution
- Step 1: Write the proportion equation
430,729.62 : 646,390.08 = 150,246.90 : x - Step 2: Convert to fraction form
430,729.62/646,390.08 = 150,246.90/x - Step 3: Cross multiply
430,729.62x = 646,390.08 × 150,246.90 - Step 4: Simplify right side
430,729.62x = 97,118,105,710.75 - Step 5: Solve for x
x = 97,118,105,710.75/430,729.62 - Step 6: Final answer
x = 225,473.48
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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.