Finding the Fourth Proportional to 210,149.88, 290,024.01 and 119,534.19
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Solution
The fourth proportional to 210,149.88, 290,024.01 and 119,534.19 is: 164,966.95
Step by Step Solution
- Step 1: Write the proportion equation
210,149.88 : 290,024.01 = 119,534.19 : x - Step 2: Convert to fraction form
210,149.88/290,024.01 = 119,534.19/x - Step 3: Cross multiply
210,149.88x = 290,024.01 × 119,534.19 - Step 4: Simplify right side
210,149.88x = 34,667,785,115.90 - Step 5: Solve for x
x = 34,667,785,115.90/210,149.88 - Step 6: Final answer
x = 164,966.95
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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.