Home / 242,429.02-334,551.11-135,000.30

Finding the Fourth Proportional to 242,429.02, 334,551.11 and 135,000.30

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Solution

The fourth proportional to 242,429.02, 334,551.11 and 135,000.30 is: 186,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,429.02 : 334,551.11 = 135,000.30 : x
  2. Step 2: Convert to fraction form
    242,429.02/334,551.11 = 135,000.30/x
  3. Step 3: Cross multiply
    242,429.02x = 334,551.11 × 135,000.30
  4. Step 4: Simplify right side
    242,429.02x = 45,164,500,215.33
  5. Step 5: Solve for x
    x = 45,164,500,215.33/242,429.02
  6. Step 6: Final answer
    x = 186,299.89

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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.