Home / 364,982.40-503,386.56-221,738.40

Finding the Fourth Proportional to 364,982.40, 503,386.56 and 221,738.40

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Solution

The fourth proportional to 364,982.40, 503,386.56 and 221,738.40 is: 305,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,982.40 : 503,386.56 = 221,738.40 : x
  2. Step 2: Convert to fraction form
    364,982.40/503,386.56 = 221,738.40/x
  3. Step 3: Cross multiply
    364,982.40x = 503,386.56 × 221,738.40
  4. Step 4: Simplify right side
    364,982.40x = 111,620,130,395.90
  5. Step 5: Solve for x
    x = 111,620,130,395.90/364,982.40
  6. Step 6: Final answer
    x = 305,823.32

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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.