Home / 284,002.80-426,004.20-282,159.60

Finding the Fourth Proportional to 284,002.80, 426,004.20 and 282,159.60

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Solution

The fourth proportional to 284,002.80, 426,004.20 and 282,159.60 is: 423,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,002.80 : 426,004.20 = 282,159.60 : x
  2. Step 2: Convert to fraction form
    284,002.80/426,004.20 = 282,159.60/x
  3. Step 3: Cross multiply
    284,002.80x = 426,004.20 × 282,159.60
  4. Step 4: Simplify right side
    284,002.80x = 120,201,174,670.32
  5. Step 5: Solve for x
    x = 120,201,174,670.32/284,002.80
  6. Step 6: Final answer
    x = 423,239.40

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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.