Home / 384,150.02-576,210.45-103,674.56

Finding the Fourth Proportional to 384,150.02, 576,210.45 and 103,674.56

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Solution

The fourth proportional to 384,150.02, 576,210.45 and 103,674.56 is: 155,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,150.02 : 576,210.45 = 103,674.56 : x
  2. Step 2: Convert to fraction form
    384,150.02/576,210.45 = 103,674.56/x
  3. Step 3: Cross multiply
    384,150.02x = 576,210.45 × 103,674.56
  4. Step 4: Simplify right side
    384,150.02x = 59,738,364,871.15
  5. Step 5: Solve for x
    x = 59,738,364,871.15/384,150.02
  6. Step 6: Final answer
    x = 155,507.91

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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.