Home / 380,250.08-524,738.76-210,480.56

Finding the Fourth Proportional to 380,250.08, 524,738.76 and 210,480.56

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Solution

The fourth proportional to 380,250.08, 524,738.76 and 210,480.56 is: 290,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,250.08 : 524,738.76 = 210,480.56 : x
  2. Step 2: Convert to fraction form
    380,250.08/524,738.76 = 210,480.56/x
  3. Step 3: Cross multiply
    380,250.08x = 524,738.76 × 210,480.56
  4. Step 4: Simplify right side
    380,250.08x = 110,447,308,058.51
  5. Step 5: Solve for x
    x = 110,447,308,058.51/380,250.08
  6. Step 6: Final answer
    x = 290,459.66

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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.