Home / 340,681.24-470,134.02-189,775

Finding the Fourth Proportional to 340,681.24, 470,134.02 and 189,775

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Solution

The fourth proportional to 340,681.24, 470,134.02 and 189,775 is: 261,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,681.24 : 470,134.02 = 189,775 : x
  2. Step 2: Convert to fraction form
    340,681.24/470,134.02 = 189,775/x
  3. Step 3: Cross multiply
    340,681.24x = 470,134.02 × 189,775
  4. Step 4: Simplify right side
    340,681.24x = 89,219,683,645.50
  5. Step 5: Solve for x
    x = 89,219,683,645.50/340,681.24
  6. Step 6: Final answer
    x = 261,886.11

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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.