Finding the Fourth Proportional to 235,737.98, 325,325.43 and 145,146.20
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Solution
The fourth proportional to 235,737.98, 325,325.43 and 145,146.20 is: 200,306.07
Step by Step Solution
- Step 1: Write the proportion equation
235,737.98 : 325,325.43 = 145,146.20 : x - Step 2: Convert to fraction form
235,737.98/325,325.43 = 145,146.20/x - Step 3: Cross multiply
235,737.98x = 325,325.43 × 145,146.20 - Step 4: Simplify right side
235,737.98x = 47,219,748,301.24 - Step 5: Solve for x
x = 47,219,748,301.24/235,737.98 - Step 6: Final answer
x = 200,306.07
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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.