Finding the Fourth Proportional to 490,721.06, 736,199.19 and 237,705.81
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Solution
The fourth proportional to 490,721.06, 736,199.19 and 237,705.81 is: 356,615.68
Step by Step Solution
- Step 1: Write the proportion equation
490,721.06 : 736,199.19 = 237,705.81 : x - Step 2: Convert to fraction form
490,721.06/736,199.19 = 237,705.81/x - Step 3: Cross multiply
490,721.06x = 736,199.19 × 237,705.81 - Step 4: Simplify right side
490,721.06x = 174,998,824,780.29 - Step 5: Solve for x
x = 174,998,824,780.29/490,721.06 - Step 6: Final answer
x = 356,615.68
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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.