Finding the Fourth Proportional to 219,698.68, 329,548.02 and 69,938.32
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Solution
The fourth proportional to 219,698.68, 329,548.02 and 69,938.32 is: 104,907.48
Step by Step Solution
- Step 1: Write the proportion equation
219,698.68 : 329,548.02 = 69,938.32 : x - Step 2: Convert to fraction form
219,698.68/329,548.02 = 69,938.32/x - Step 3: Cross multiply
219,698.68x = 329,548.02 × 69,938.32 - Step 4: Simplify right side
219,698.68x = 23,048,034,878.13 - Step 5: Solve for x
x = 23,048,034,878.13/219,698.68 - Step 6: Final answer
x = 104,907.48
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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.