Finding the Fourth Proportional to 425,343.26, 586,973.21 and 234,356.60
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Solution
The fourth proportional to 425,343.26, 586,973.21 and 234,356.60 is: 323,411.83
Step by Step Solution
- Step 1: Write the proportion equation
425,343.26 : 586,973.21 = 234,356.60 : x - Step 2: Convert to fraction form
425,343.26/586,973.21 = 234,356.60/x - Step 3: Cross multiply
425,343.26x = 586,973.21 × 234,356.60 - Step 4: Simplify right side
425,343.26x = 137,561,041,680.04 - Step 5: Solve for x
x = 137,561,041,680.04/425,343.26 - Step 6: Final answer
x = 323,411.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.