Finding the Fourth Proportional to 235,746.42, 325,103.91 and 158,396.99
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Solution
The fourth proportional to 235,746.42, 325,103.91 and 158,396.99 is: 218,435.89
Step by Step Solution
- Step 1: Write the proportion equation
235,746.42 : 325,103.91 = 158,396.99 : x - Step 2: Convert to fraction form
235,746.42/325,103.91 = 158,396.99/x - Step 3: Cross multiply
235,746.42x = 325,103.91 × 158,396.99 - Step 4: Simplify right side
235,746.42x = 51,495,479,155.71 - Step 5: Solve for x
x = 51,495,479,155.71/235,746.42 - Step 6: Final answer
x = 218,435.89
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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.