Home / 388,742.68-583,266.30-152,044.48

Finding the Fourth Proportional to 388,742.68, 583,266.30 and 152,044.48

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Solution

The fourth proportional to 388,742.68, 583,266.30 and 152,044.48 is: 228,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,742.68 : 583,266.30 = 152,044.48 : x
  2. Step 2: Convert to fraction form
    388,742.68/583,266.30 = 152,044.48/x
  3. Step 3: Cross multiply
    388,742.68x = 583,266.30 × 152,044.48
  4. Step 4: Simplify right side
    388,742.68x = 88,682,421,285.02
  5. Step 5: Solve for x
    x = 88,682,421,285.02/388,742.68
  6. Step 6: Final answer
    x = 228,126.28

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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.