Home / 251,276.64-346,646.16-154,392.56

Finding the Fourth Proportional to 251,276.64, 346,646.16 and 154,392.56

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Solution

The fourth proportional to 251,276.64, 346,646.16 and 154,392.56 is: 212,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,276.64 : 346,646.16 = 154,392.56 : x
  2. Step 2: Convert to fraction form
    251,276.64/346,646.16 = 154,392.56/x
  3. Step 3: Cross multiply
    251,276.64x = 346,646.16 × 154,392.56
  4. Step 4: Simplify right side
    251,276.64x = 53,519,588,056.57
  5. Step 5: Solve for x
    x = 53,519,588,056.57/251,276.64
  6. Step 6: Final answer
    x = 212,990.70

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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.