Home / 423,415.20-584,216.49-251,244.23

Finding the Fourth Proportional to 423,415.20, 584,216.49 and 251,244.23

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Solution

The fourth proportional to 423,415.20, 584,216.49 and 251,244.23 is: 346,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,415.20 : 584,216.49 = 251,244.23 : x
  2. Step 2: Convert to fraction form
    423,415.20/584,216.49 = 251,244.23/x
  3. Step 3: Cross multiply
    423,415.20x = 584,216.49 × 251,244.23
  4. Step 4: Simplify right side
    423,415.20x = 146,781,020,722.81
  5. Step 5: Solve for x
    x = 146,781,020,722.81/423,415.20
  6. Step 6: Final answer
    x = 346,659.79

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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.