Home / 380,275.90-524,784.63-210,506.38

Finding the Fourth Proportional to 380,275.90, 524,784.63 and 210,506.38

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Solution

The fourth proportional to 380,275.90, 524,784.63 and 210,506.38 is: 290,500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,275.90 : 524,784.63 = 210,506.38 : x
  2. Step 2: Convert to fraction form
    380,275.90/524,784.63 = 210,506.38/x
  3. Step 3: Cross multiply
    380,275.90x = 524,784.63 × 210,506.38
  4. Step 4: Simplify right side
    380,275.90x = 110,470,512,740.94
  5. Step 5: Solve for x
    x = 110,470,512,740.94/380,275.90
  6. Step 6: Final answer
    x = 290,500.96

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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.