Finding the Fourth Proportional to 159,718.98, 239,526.62 and 53,074.31
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Solution
The fourth proportional to 159,718.98, 239,526.62 and 53,074.31 is: 79,594.23
Step by Step Solution
- Step 1: Write the proportion equation
159,718.98 : 239,526.62 = 53,074.31 : x - Step 2: Convert to fraction form
159,718.98/239,526.62 = 53,074.31/x - Step 3: Cross multiply
159,718.98x = 239,526.62 × 53,074.31 - Step 4: Simplify right side
159,718.98x = 12,712,708,620.13 - Step 5: Solve for x
x = 12,712,708,620.13/159,718.98 - Step 6: Final answer
x = 79,594.23
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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.