Home / 387,303.16-581,037.34-134,591.24

Finding the Fourth Proportional to 387,303.16, 581,037.34 and 134,591.24

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Solution

The fourth proportional to 387,303.16, 581,037.34 and 134,591.24 is: 201,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,303.16 : 581,037.34 = 134,591.24 : x
  2. Step 2: Convert to fraction form
    387,303.16/581,037.34 = 134,591.24/x
  3. Step 3: Cross multiply
    387,303.16x = 581,037.34 × 134,591.24
  4. Step 4: Simplify right side
    387,303.16x = 78,202,536,076.90
  5. Step 5: Solve for x
    x = 78,202,536,076.90/387,303.16
  6. Step 6: Final answer
    x = 201,915.56

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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.