Finding the Fourth Proportional to 235,746.57, 325,337.31 and 145,154.79
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Solution
The fourth proportional to 235,746.57, 325,337.31 and 145,154.79 is: 200,317.95
Step by Step Solution
- Step 1: Write the proportion equation
235,746.57 : 325,337.31 = 145,154.79 : x - Step 2: Convert to fraction form
235,746.57/325,337.31 = 145,154.79/x - Step 3: Cross multiply
235,746.57x = 325,337.31 × 145,154.79 - Step 4: Simplify right side
235,746.57x = 47,224,268,912.21 - Step 5: Solve for x
x = 47,224,268,912.21/235,746.57 - Step 6: Final answer
x = 200,317.95
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1.5x scale
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.