Home / 427,410.21-589,858.08-243,653.16

Finding the Fourth Proportional to 427,410.21, 589,858.08 and 243,653.16

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Solution

The fourth proportional to 427,410.21, 589,858.08 and 243,653.16 is: 336,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,410.21 : 589,858.08 = 243,653.16 : x
  2. Step 2: Convert to fraction form
    427,410.21/589,858.08 = 243,653.16/x
  3. Step 3: Cross multiply
    427,410.21x = 589,858.08 × 243,653.16
  4. Step 4: Simplify right side
    427,410.21x = 143,720,785,143.53
  5. Step 5: Solve for x
    x = 143,720,785,143.53/427,410.21
  6. Step 6: Final answer
    x = 336,259.60

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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.