Home / 284,358.96-426,235.32-214,020.72

Finding the Fourth Proportional to 284,358.96, 426,235.32 and 214,020.72

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Solution

The fourth proportional to 284,358.96, 426,235.32 and 214,020.72 is: 320,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,358.96 : 426,235.32 = 214,020.72 : x
  2. Step 2: Convert to fraction form
    284,358.96/426,235.32 = 214,020.72/x
  3. Step 3: Cross multiply
    284,358.96x = 426,235.32 × 214,020.72
  4. Step 4: Simplify right side
    284,358.96x = 91,223,190,075.83
  5. Step 5: Solve for x
    x = 91,223,190,075.83/284,358.96
  6. Step 6: Final answer
    x = 320,802.94

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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.