Finding the Fourth Proportional to 172,299.08, 258,448.62 and 53,970.84
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Solution
The fourth proportional to 172,299.08, 258,448.62 and 53,970.84 is: 80,956.26
Step by Step Solution
- Step 1: Write the proportion equation
172,299.08 : 258,448.62 = 53,970.84 : x - Step 2: Convert to fraction form
172,299.08/258,448.62 = 53,970.84/x - Step 3: Cross multiply
172,299.08x = 258,448.62 × 53,970.84 - Step 4: Simplify right side
172,299.08x = 13,948,689,118.24 - Step 5: Solve for x
x = 13,948,689,118.24/172,299.08 - Step 6: Final answer
x = 80,956.26
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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.