Finding the Fourth Proportional to 267,239.68, 368,779.96 and 159,869.08
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Solution
The fourth proportional to 267,239.68, 368,779.96 and 159,869.08 is: 220,612.87
Step by Step Solution
- Step 1: Write the proportion equation
267,239.68 : 368,779.96 = 159,869.08 : x - Step 2: Convert to fraction form
267,239.68/368,779.96 = 159,869.08/x - Step 3: Cross multiply
267,239.68x = 368,779.96 × 159,869.08 - Step 4: Simplify right side
267,239.68x = 58,956,512,927.64 - Step 5: Solve for x
x = 58,956,512,927.64/267,239.68 - Step 6: Final answer
x = 220,612.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.