Home / 631,181.12-946,780.08-210,457.20

Finding the Fourth Proportional to 631,181.12, 946,780.08 and 210,457.20

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Solution

The fourth proportional to 631,181.12, 946,780.08 and 210,457.20 is: 315,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,181.12 : 946,780.08 = 210,457.20 : x
  2. Step 2: Convert to fraction form
    631,181.12/946,780.08 = 210,457.20/x
  3. Step 3: Cross multiply
    631,181.12x = 946,780.08 × 210,457.20
  4. Step 4: Simplify right side
    631,181.12x = 199,256,684,652.58
  5. Step 5: Solve for x
    x = 199,256,684,652.58/631,181.12
  6. Step 6: Final answer
    x = 315,688.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.