Home / 384,128.02-576,177.45-103,652.56

Finding the Fourth Proportional to 384,128.02, 576,177.45 and 103,652.56

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Solution

The fourth proportional to 384,128.02, 576,177.45 and 103,652.56 is: 155,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,128.02 : 576,177.45 = 103,652.56 : x
  2. Step 2: Convert to fraction form
    384,128.02/576,177.45 = 103,652.56/x
  3. Step 3: Cross multiply
    384,128.02x = 576,177.45 × 103,652.56
  4. Step 4: Simplify right side
    384,128.02x = 59,722,267,706.77
  5. Step 5: Solve for x
    x = 59,722,267,706.77/384,128.02
  6. Step 6: Final answer
    x = 155,474.91

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1.5x scale

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.