Home / 388,983.04-583,475.12-256,455.16

Finding the Fourth Proportional to 388,983.04, 583,475.12 and 256,455.16

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Solution

The fourth proportional to 388,983.04, 583,475.12 and 256,455.16 is: 384,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,983.04 : 583,475.12 = 256,455.16 : x
  2. Step 2: Convert to fraction form
    388,983.04/583,475.12 = 256,455.16/x
  3. Step 3: Cross multiply
    388,983.04x = 583,475.12 × 256,455.16
  4. Step 4: Simplify right side
    388,983.04x = 149,635,205,255.62
  5. Step 5: Solve for x
    x = 149,635,205,255.62/388,983.04
  6. Step 6: Final answer
    x = 384,683.11

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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.