Home / 402,467.74-555,395.33-218,698.18

Finding the Fourth Proportional to 402,467.74, 555,395.33 and 218,698.18

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Solution

The fourth proportional to 402,467.74, 555,395.33 and 218,698.18 is: 301,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,467.74 : 555,395.33 = 218,698.18 : x
  2. Step 2: Convert to fraction form
    402,467.74/555,395.33 = 218,698.18/x
  3. Step 3: Cross multiply
    402,467.74x = 555,395.33 × 218,698.18
  4. Step 4: Simplify right side
    402,467.74x = 121,463,947,009.76
  5. Step 5: Solve for x
    x = 121,463,947,009.76/402,467.74
  6. Step 6: Final answer
    x = 301,797.97

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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.