Home / 340,287.48-510,075.72-126,962.64

Finding the Fourth Proportional to 340,287.48, 510,075.72 and 126,962.64

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Solution

The fourth proportional to 340,287.48, 510,075.72 and 126,962.64 is: 190,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,287.48 : 510,075.72 = 126,962.64 : x
  2. Step 2: Convert to fraction form
    340,287.48/510,075.72 = 126,962.64/x
  3. Step 3: Cross multiply
    340,287.48x = 510,075.72 × 126,962.64
  4. Step 4: Simplify right side
    340,287.48x = 64,760,560,011.10
  5. Step 5: Solve for x
    x = 64,760,560,011.10/340,287.48
  6. Step 6: Final answer
    x = 190,311.32

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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.