Home / 380,051.08-524,463.57-210,285.20

Finding the Fourth Proportional to 380,051.08, 524,463.57 and 210,285.20

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Solution

The fourth proportional to 380,051.08, 524,463.57 and 210,285.20 is: 290,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,051.08 : 524,463.57 = 210,285.20 : x
  2. Step 2: Convert to fraction form
    380,051.08/524,463.57 = 210,285.20/x
  3. Step 3: Cross multiply
    380,051.08x = 524,463.57 × 210,285.20
  4. Step 4: Simplify right side
    380,051.08x = 110,286,926,710.16
  5. Step 5: Solve for x
    x = 110,286,926,710.16/380,051.08
  6. Step 6: Final answer
    x = 290,189.75

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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.