Home / 283,224.02-390,803.42-162,343.07

Finding the Fourth Proportional to 283,224.02, 390,803.42 and 162,343.07

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Solution

The fourth proportional to 283,224.02, 390,803.42 and 162,343.07 is: 224,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,224.02 : 390,803.42 = 162,343.07 : x
  2. Step 2: Convert to fraction form
    283,224.02/390,803.42 = 162,343.07/x
  3. Step 3: Cross multiply
    283,224.02x = 390,803.42 × 162,343.07
  4. Step 4: Simplify right side
    283,224.02x = 63,444,224,203.57
  5. Step 5: Solve for x
    x = 63,444,224,203.57/283,224.02
  6. Step 6: Final answer
    x = 224,007.22

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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.