Home / 340,617.24-470,003.58-193,437

Finding the Fourth Proportional to 340,617.24, 470,003.58 and 193,437

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Solution

The fourth proportional to 340,617.24, 470,003.58 and 193,437 is: 266,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,617.24 : 470,003.58 = 193,437 : x
  2. Step 2: Convert to fraction form
    340,617.24/470,003.58 = 193,437/x
  3. Step 3: Cross multiply
    340,617.24x = 470,003.58 × 193,437
  4. Step 4: Simplify right side
    340,617.24x = 90,916,082,504.46
  5. Step 5: Solve for x
    x = 90,916,082,504.46/340,617.24
  6. Step 6: Final answer
    x = 266,915.68

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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.