Finding the Fourth Proportional to 239,779.18, 330,775.84 and 167,333.99
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Solution
The fourth proportional to 239,779.18, 330,775.84 and 167,333.99 is: 230,837.57
Step by Step Solution
- Step 1: Write the proportion equation
239,779.18 : 330,775.84 = 167,333.99 : x - Step 2: Convert to fraction form
239,779.18/330,775.84 = 167,333.99/x - Step 3: Cross multiply
239,779.18x = 330,775.84 × 167,333.99 - Step 4: Simplify right side
239,779.18x = 55,350,041,511.41 - Step 5: Solve for x
x = 55,350,041,511.41/239,779.18 - Step 6: Final answer
x = 230,837.57
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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.