Finding the Fourth Proportional to 430,035.99, 645,056.06 and 130,519.17
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Solution
The fourth proportional to 430,035.99, 645,056.06 and 130,519.17 is: 195,779.38
Step by Step Solution
- Step 1: Write the proportion equation
430,035.99 : 645,056.06 = 130,519.17 : x - Step 2: Convert to fraction form
430,035.99/645,056.06 = 130,519.17/x - Step 3: Cross multiply
430,035.99x = 645,056.06 × 130,519.17 - Step 4: Simplify right side
430,035.99x = 84,192,180,902.07 - Step 5: Solve for x
x = 84,192,180,902.07/430,035.99 - Step 6: Final answer
x = 195,779.38
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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.