Home / 251,259.72-346,598.06-154,396.28

Finding the Fourth Proportional to 251,259.72, 346,598.06 and 154,396.28

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Solution

The fourth proportional to 251,259.72, 346,598.06 and 154,396.28 is: 212,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,259.72 : 346,598.06 = 154,396.28 : x
  2. Step 2: Convert to fraction form
    251,259.72/346,598.06 = 154,396.28/x
  3. Step 3: Cross multiply
    251,259.72x = 346,598.06 × 154,396.28
  4. Step 4: Simplify right side
    251,259.72x = 53,513,448,614.25
  5. Step 5: Solve for x
    x = 53,513,448,614.25/251,259.72
  6. Step 6: Final answer
    x = 212,980.61

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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.