Finding the Fourth Proportional to 159,878.94, 239,842.11 and 53,228.07
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Solution
The fourth proportional to 159,878.94, 239,842.11 and 53,228.07 is: 79,849.99
Step by Step Solution
- Step 1: Write the proportion equation
159,878.94 : 239,842.11 = 53,228.07 : x - Step 2: Convert to fraction form
159,878.94/239,842.11 = 53,228.07/x - Step 3: Cross multiply
159,878.94x = 239,842.11 × 53,228.07 - Step 4: Simplify right side
159,878.94x = 12,766,331,154.68 - Step 5: Solve for x
x = 12,766,331,154.68/159,878.94 - Step 6: Final answer
x = 79,849.99
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1.5x scale
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.