Home / 380,037.36-524,444.64-210,271.50

Finding the Fourth Proportional to 380,037.36, 524,444.64 and 210,271.50

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Solution

The fourth proportional to 380,037.36, 524,444.64 and 210,271.50 is: 290,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,037.36 : 524,444.64 = 210,271.50 : x
  2. Step 2: Convert to fraction form
    380,037.36/524,444.64 = 210,271.50/x
  3. Step 3: Cross multiply
    380,037.36x = 524,444.64 × 210,271.50
  4. Step 4: Simplify right side
    380,037.36x = 110,275,761,119.76
  5. Step 5: Solve for x
    x = 110,275,761,119.76/380,037.36
  6. Step 6: Final answer
    x = 290,170.84

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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.