Finding the Fourth Proportional to 159,348.60, 239,109.30 and 70,615.80
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Solution
The fourth proportional to 159,348.60, 239,109.30 and 70,615.80 is: 105,961.99
Step by Step Solution
- Step 1: Write the proportion equation
159,348.60 : 239,109.30 = 70,615.80 : x - Step 2: Convert to fraction form
159,348.60/239,109.30 = 70,615.80/x - Step 3: Cross multiply
159,348.60x = 239,109.30 × 70,615.80 - Step 4: Simplify right side
159,348.60x = 16,884,894,506.94 - Step 5: Solve for x
x = 16,884,894,506.94/159,348.60 - Step 6: Final answer
x = 105,961.99
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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.