Home / 264,479.04-396,699.36-86,984

Finding the Fourth Proportional to 264,479.04, 396,699.36 and 86,984

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Solution

The fourth proportional to 264,479.04, 396,699.36 and 86,984 is: 130,469.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,479.04 : 396,699.36 = 86,984 : x
  2. Step 2: Convert to fraction form
    264,479.04/396,699.36 = 86,984/x
  3. Step 3: Cross multiply
    264,479.04x = 396,699.36 × 86,984
  4. Step 4: Simplify right side
    264,479.04x = 34,506,497,130.24
  5. Step 5: Solve for x
    x = 34,506,497,130.24/264,479.04
  6. Step 6: Final answer
    x = 130,469.69

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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.