Finding the Fourth Proportional to 430,908.96, 594,555.12 and 261,107.04
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Solution
The fourth proportional to 430,908.96, 594,555.12 and 261,107.04 is: 360,267.58
Step by Step Solution
- Step 1: Write the proportion equation
430,908.96 : 594,555.12 = 261,107.04 : x - Step 2: Convert to fraction form
430,908.96/594,555.12 = 261,107.04/x - Step 3: Cross multiply
430,908.96x = 594,555.12 × 261,107.04 - Step 4: Simplify right side
430,908.96x = 155,242,527,500.05 - Step 5: Solve for x
x = 155,242,527,500.05/430,908.96 - Step 6: Final answer
x = 360,267.58
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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.