Home / 284,150.39-392,024.77-218,759.32

Finding the Fourth Proportional to 284,150.39, 392,024.77 and 218,759.32

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Solution

The fourth proportional to 284,150.39, 392,024.77 and 218,759.32 is: 301,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,150.39 : 392,024.77 = 218,759.32 : x
  2. Step 2: Convert to fraction form
    284,150.39/392,024.77 = 218,759.32/x
  3. Step 3: Cross multiply
    284,150.39x = 392,024.77 × 218,759.32
  4. Step 4: Simplify right side
    284,150.39x = 85,759,072,108.36
  5. Step 5: Solve for x
    x = 85,759,072,108.36/284,150.39
  6. Step 6: Final answer
    x = 301,808.74

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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.