Finding the Fourth Proportional to 159,854.40, 239,465.70 and 103,733.55
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Solution
The fourth proportional to 159,854.40, 239,465.70 and 103,733.55 is: 155,395.33
Step by Step Solution
- Step 1: Write the proportion equation
159,854.40 : 239,465.70 = 103,733.55 : x - Step 2: Convert to fraction form
159,854.40/239,465.70 = 103,733.55/x - Step 3: Cross multiply
159,854.40x = 239,465.70 × 103,733.55 - Step 4: Simplify right side
159,854.40x = 24,840,627,164.24 - Step 5: Solve for x
x = 24,840,627,164.24/159,854.40 - Step 6: Final answer
x = 155,395.33
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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.