Finding the Fourth Proportional to 430,340.22, 644,130.09 and 230,160.06
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Solution
The fourth proportional to 430,340.22, 644,130.09 and 230,160.06 is: 344,501.89
Step by Step Solution
- Step 1: Write the proportion equation
430,340.22 : 644,130.09 = 230,160.06 : x - Step 2: Convert to fraction form
430,340.22/644,130.09 = 230,160.06/x - Step 3: Cross multiply
430,340.22x = 644,130.09 × 230,160.06 - Step 4: Simplify right side
430,340.22x = 148,253,020,162.21 - Step 5: Solve for x
x = 148,253,020,162.21/430,340.22 - Step 6: Final answer
x = 344,501.89
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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.