Finding the Fourth Proportional to 159,888.66, 239,604.14 and 117,435.76
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Solution
The fourth proportional to 159,888.66, 239,604.14 and 117,435.76 is: 175,985.55
Step by Step Solution
- Step 1: Write the proportion equation
159,888.66 : 239,604.14 = 117,435.76 : x - Step 2: Convert to fraction form
159,888.66/239,604.14 = 117,435.76/x - Step 3: Cross multiply
159,888.66x = 239,604.14 × 117,435.76 - Step 4: Simplify right side
159,888.66x = 28,138,094,280.05 - Step 5: Solve for x
x = 28,138,094,280.05/159,888.66 - Step 6: Final answer
x = 175,985.55
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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.