Finding the Fourth Proportional to 427,319.19, 641,050.07 and 190,652.99
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Solution
The fourth proportional to 427,319.19, 641,050.07 and 190,652.99 is: 286,011.28
Step by Step Solution
- Step 1: Write the proportion equation
427,319.19 : 641,050.07 = 190,652.99 : x - Step 2: Convert to fraction form
427,319.19/641,050.07 = 190,652.99/x - Step 3: Cross multiply
427,319.19x = 641,050.07 × 190,652.99 - Step 4: Simplify right side
427,319.19x = 122,218,108,426.69 - Step 5: Solve for x
x = 122,218,108,426.69/427,319.19 - Step 6: Final answer
x = 286,011.28
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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.