Finding the Fourth Proportional to 219,779.08, 329,669.42 and 53,567.08
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Solution
The fourth proportional to 219,779.08, 329,669.42 and 53,567.08 is: 80,350.81
Step by Step Solution
- Step 1: Write the proportion equation
219,779.08 : 329,669.42 = 53,567.08 : x - Step 2: Convert to fraction form
219,779.08/329,669.42 = 53,567.08/x - Step 3: Cross multiply
219,779.08x = 329,669.42 × 53,567.08 - Step 4: Simplify right side
219,779.08x = 17,659,428,194.69 - Step 5: Solve for x
x = 17,659,428,194.69/219,779.08 - Step 6: Final answer
x = 80,350.81
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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.