Home / 355,681.04-490,810.13-200,623.76

Finding the Fourth Proportional to 355,681.04, 490,810.13 and 200,623.76

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Solution

The fourth proportional to 355,681.04, 490,810.13 and 200,623.76 is: 276,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,681.04 : 490,810.13 = 200,623.76 : x
  2. Step 2: Convert to fraction form
    355,681.04/490,810.13 = 200,623.76/x
  3. Step 3: Cross multiply
    355,681.04x = 490,810.13 × 200,623.76
  4. Step 4: Simplify right side
    355,681.04x = 98,468,174,101.73
  5. Step 5: Solve for x
    x = 98,468,174,101.73/355,681.04
  6. Step 6: Final answer
    x = 276,844.04

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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.