Home / 346,922.58-478,726.74-210,937.64

Finding the Fourth Proportional to 346,922.58, 478,726.74 and 210,937.64

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Solution

The fourth proportional to 346,922.58, 478,726.74 and 210,937.64 is: 291,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,922.58 : 478,726.74 = 210,937.64 : x
  2. Step 2: Convert to fraction form
    346,922.58/478,726.74 = 210,937.64/x
  3. Step 3: Cross multiply
    346,922.58x = 478,726.74 × 210,937.64
  4. Step 4: Simplify right side
    346,922.58x = 100,981,488,740.49
  5. Step 5: Solve for x
    x = 100,981,488,740.49/346,922.58
  6. Step 6: Final answer
    x = 291,077.88

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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.