Home / 361,404.12-498,744.90-210,510.84

Finding the Fourth Proportional to 361,404.12, 498,744.90 and 210,510.84

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Solution

The fourth proportional to 361,404.12, 498,744.90 and 210,510.84 is: 290,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,404.12 : 498,744.90 = 210,510.84 : x
  2. Step 2: Convert to fraction form
    361,404.12/498,744.90 = 210,510.84/x
  3. Step 3: Cross multiply
    361,404.12x = 498,744.90 × 210,510.84
  4. Step 4: Simplify right side
    361,404.12x = 104,991,207,844.72
  5. Step 5: Solve for x
    x = 104,991,207,844.72/361,404.12
  6. Step 6: Final answer
    x = 290,509.16

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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.