Finding the Fourth Proportional to 490,737.39, 736,106.25 and 153,804.18
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Solution
The fourth proportional to 490,737.39, 736,106.25 and 153,804.18 is: 230,706.32
Step by Step Solution
- Step 1: Write the proportion equation
490,737.39 : 736,106.25 = 153,804.18 : x - Step 2: Convert to fraction form
490,737.39/736,106.25 = 153,804.18/x - Step 3: Cross multiply
490,737.39x = 736,106.25 × 153,804.18 - Step 4: Simplify right side
490,737.39x = 113,216,217,865.12 - Step 5: Solve for x
x = 113,216,217,865.12/490,737.39 - Step 6: Final answer
x = 230,706.32
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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.