Finding the Fourth Proportional to 475,215.03, 712,763.06 and 155,340.09
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Solution
The fourth proportional to 475,215.03, 712,763.06 and 155,340.09 is: 232,990.69
Step by Step Solution
- Step 1: Write the proportion equation
475,215.03 : 712,763.06 = 155,340.09 : x - Step 2: Convert to fraction form
475,215.03/712,763.06 = 155,340.09/x - Step 3: Cross multiply
475,215.03x = 712,763.06 × 155,340.09 - Step 4: Simplify right side
475,215.03x = 110,720,677,112.38 - Step 5: Solve for x
x = 110,720,677,112.38/475,215.03 - Step 6: Final answer
x = 232,990.69
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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.