Finding the Fourth Proportional to 159,920.04, 239,927.99 and 47,604.18
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Solution
The fourth proportional to 159,920.04, 239,927.99 and 47,604.18 is: 71,420.54
Step by Step Solution
- Step 1: Write the proportion equation
159,920.04 : 239,927.99 = 47,604.18 : x - Step 2: Convert to fraction form
159,920.04/239,927.99 = 47,604.18/x - Step 3: Cross multiply
159,920.04x = 239,927.99 × 47,604.18 - Step 4: Simplify right side
159,920.04x = 11,421,574,984.98 - Step 5: Solve for x
x = 11,421,574,984.98/159,920.04 - Step 6: Final answer
x = 71,420.54
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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.