Home / 380,039.36-524,447.40-210,273.50

Finding the Fourth Proportional to 380,039.36, 524,447.40 and 210,273.50

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Solution

The fourth proportional to 380,039.36, 524,447.40 and 210,273.50 is: 290,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,039.36 : 524,447.40 = 210,273.50 : x
  2. Step 2: Convert to fraction form
    380,039.36/524,447.40 = 210,273.50/x
  3. Step 3: Cross multiply
    380,039.36x = 524,447.40 × 210,273.50
  4. Step 4: Simplify right side
    380,039.36x = 110,277,390,363.90
  5. Step 5: Solve for x
    x = 110,277,390,363.90/380,039.36
  6. Step 6: Final answer
    x = 290,173.60

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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.