Home / 340,548.98-510,890.58-100,667.07

Finding the Fourth Proportional to 340,548.98, 510,890.58 and 100,667.07

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Solution

The fourth proportional to 340,548.98, 510,890.58 and 100,667.07 is: 151,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,548.98 : 510,890.58 = 100,667.07 : x
  2. Step 2: Convert to fraction form
    340,548.98/510,890.58 = 100,667.07/x
  3. Step 3: Cross multiply
    340,548.98x = 510,890.58 × 100,667.07
  4. Step 4: Simplify right side
    340,548.98x = 51,429,857,779.20
  5. Step 5: Solve for x
    x = 51,429,857,779.20/340,548.98
  6. Step 6: Final answer
    x = 151,020.45

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1.5x scale

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.